sspi: Fix InitializeSecurityContext SSP-specific links

Most of the links to the specific InitializeSecurityContext provider
pages (eg: Digest, NTLM, etc) appear to be incorrect. AFAICT pages for
the specific providers do not actually exist in sspi doc but do exist
in secauthn doc, so I linked to those pages instead.

For example:

InitializeSecurityContext (Digest):
/windows/win32/secauthn/initializesecuritycontext--digest

Ref: ef856c4

Closes #xxxx

sdk-api-src/content/sspi/nf-sspi-initializesecuritycontexta.md

@@ -65,31 +65,31 @@ For information about using this function with a specific <a href="/windows/desk
 </tr>
 <tr>
 <td>
-<a href="/windows/desktop/api/sspi/nf-sspi-initializesecuritycontexta">InitializeSecurityContext (CredSSP)</a>
+<a href="/windows/win32/secauthn/initializesecuritycontext--credssp">InitializeSecurityContext (CredSSP)</a>
 </td>
 <td>Initiates the client side, outbound security context from a credential handle by using the Credential Security Support Provider (CredSSP).</td>
 </tr>
 <tr>
 <td>
-<a href="/windows/desktop/api/sspi/nf-sspi-initializesecuritycontexta">InitializeSecurityContext (Digest)</a>
+<a href="/windows/win32/secauthn/initializesecuritycontext--digest">InitializeSecurityContext (Digest)</a>
 </td>
 <td>Initiates the client side, outbound security context from a credential handle by using the Digest security package.</td>
 </tr>
 <tr>
 <td>
-<a href="/windows/desktop/api/sspi/nf-sspi-initializesecuritycontexta">InitializeSecurityContext (Kerberos)</a>
+<a href="/windows/win32/secauthn/initializesecuritycontext--kerberos">InitializeSecurityContext (Kerberos)</a>
 </td>
 <td>Initiates the client side, outbound security context from a credential handle by using the Kerberos security package.</td>
 </tr>
 <tr>
 <td>
-<a href="/previous-versions/windows/desktop/legacy/aa375509(v=vs.85)">InitializeSecurityContext (Negotiate)</a>
+<a href="/windows/win32/secauthn/initializesecuritycontext--negotiate">InitializeSecurityContext (Negotiate)</a>
 </td>
 <td>Initiates the client side, outbound security context from a credential handle by using the Negotiate security package.</td>
 </tr>
 <tr>
 <td>
-<a href="/previous-versions/windows/desktop/legacy/aa375512(v=vs.85)">InitializeSecurityContext (NTLM)</a>
+<a href="/windows/win32/secauthn/initializesecuritycontext--ntlm">InitializeSecurityContext (NTLM)</a>
 </td>
 <td>Initiates the client side, outbound security context from a credential handle by using the NTLM security package.</td>
 </tr>

sdk-api-src/content/sspi/nf-sspi-initializesecuritycontextw.md

@@ -65,37 +65,37 @@ For information about using this function with a specific <a href="/windows/desk
 </tr>
 <tr>
 <td>
-<a href="/windows/desktop/api/sspi/nf-sspi-initializesecuritycontexta">InitializeSecurityContext (CredSSP)</a>
+<a href="/windows/win32/secauthn/initializesecuritycontext--credssp">InitializeSecurityContext (CredSSP)</a>
 </td>
 <td>Initiates the client side, outbound security context from a credential handle by using the Credential Security Support Provider (CredSSP).</td>
 </tr>
 <tr>
 <td>
-<a href="/windows/desktop/api/sspi/nf-sspi-initializesecuritycontexta">InitializeSecurityContext (Digest)</a>
+<a href="/windows/win32/secauthn/initializesecuritycontext--digest">InitializeSecurityContext (Digest)</a>
 </td>
 <td>Initiates the client side, outbound security context from a credential handle by using the Digest security package.</td>
 </tr>
 <tr>
 <td>
-<a href="/windows/desktop/api/sspi/nf-sspi-initializesecuritycontexta">InitializeSecurityContext (Kerberos)</a>
+<a href="/windows/win32/secauthn/initializesecuritycontext--kerberos">InitializeSecurityContext (Kerberos)</a>
 </td>
 <td>Initiates the client side, outbound security context from a credential handle by using the Kerberos security package.</td>
 </tr>
 <tr>
 <td>
-<a href="/previous-versions/windows/desktop/legacy/aa375509(v=vs.85)">InitializeSecurityContext (Negotiate)</a>
+<a href="/windows/win32/secauthn/initializesecuritycontext--negotiate">InitializeSecurityContext (Negotiate)</a>
 </td>
 <td>Initiates the client side, outbound security context from a credential handle by using the Negotiate security package.</td>
 </tr>
 <tr>
 <td>
-<a href="/previous-versions/windows/desktop/legacy/aa375512(v=vs.85)">InitializeSecurityContext (NTLM)</a>
+<a href="/windows/win32/secauthn/initializesecuritycontext--ntlm">InitializeSecurityContext (NTLM)</a>
 </td>
 <td>Initiates the client side, outbound security context from a credential handle by using the NTLM security package.</td>
 </tr>
 <tr>
 <td>
-<a href="/windows/desktop/api/rrascfg/nn-rrascfg-ieapproviderconfig">InitializeSecurityContext (Schannel)</a>
+<a href="/windows/win32/secauthn/initializesecuritycontext--schannel">InitializeSecurityContext (Schannel)</a>
 </td>
 <td>Initiates the client side, outbound security context from a credential handle by using the Schannel security package.</td>
 </tr>