Bug 1369361 - Backport SQLite fix removing rand_s() in an attempt to …

…avoid Lenovo DLL crashes. r=mak

SQLite check-in 3a2793aa:
https://www.sqlite.org/src/info/3a2793aa65727cbb

MozReview-Commit-ID: 1Q4tGhWLoRu

db/sqlite3/src/sqlite3.c

@@ -827,13 +827,6 @@ SQLITE_PRIVATE const char **sqlite3CompileOptions(int *pnOpt){
 #  define SQLITE_TCLAPI
 #endif
 
-/*
-** Make sure that rand_s() is available on Windows systems with MSVC 2005
-** or higher.
-*/
-#if defined(_MSC_VER) && _MSC_VER>=1400
-#  define _CRT_RAND_S
-#endif
 
 /*
 ** Include the header file used to customize the compiler options for MSVC.
@@ -43927,9 +43920,6 @@ static int winRandomness(sqlite3_vfs *pVfs, int nBuf, char *zBuf){
   EntropyGatherer e;
   UNUSED_PARAMETER(pVfs);
   memset(zBuf, 0, nBuf);
-#if defined(_MSC_VER) && _MSC_VER>=1400 && !SQLITE_OS_WINCE
-  rand_s((unsigned int*)zBuf); /* rand_s() is not available with MinGW */
-#endif /* defined(_MSC_VER) && _MSC_VER>=1400 */
   e.a = (unsigned char*)zBuf;
   e.na = nBuf;
   e.nXor = 0;