Update manual/contrib.texi

Update entry of Liubov Dmitrieva and add entries for Will Schmidt and Tulio Magno
Quites Machado Filho.

ChangeLog

@@ -1,3 +1,9 @@
+2012-06-15  Andreas Jaeger  <[email protected]>
+
+	* manual/contrib.texi (Contributors): Update entry of Liubov
+	Dmitrieva and add entries for Will Schmidt and Tulio Magno Quites
+	Machado Filho.
+
 2012-06-15  Cyril Hrubis  <[email protected]>
 
 	* string/string.h: Add __wur to GNU version of strerror_r.

manual/contrib.texi

@@ -50,7 +50,8 @@ committee.
 Thomas Bushnell for his contributions to Hurd.
 
 @item
-Liubov Dmitrieva for optimzed string functions on x86-64 and x86.
+Liubov Dmitrieva for optimzed string and math functions on x86-64 and
+x86.
 
 @item
 Ulrich Drepper for his many contributions in almost all parts of
@@ -79,6 +80,11 @@ and wide-character support functions (@file{wctype.h}, @file{wchar.h}, etc.).
 Paul Eggert for the @code{mktime} function and for his direction as
 part of @theglibc{} steering committee.
 
+@item
+Tulio Magno Quites Machado Filho for adding a new class of installed
+headers for low-level platform-specific functionality and one such for
+PowerPC.
+
 @item
 Mike Frysinger for his maintaining of the IA64 architecture and for
 testing and bug fixing.
@@ -232,6 +238,9 @@ Siddhesh Poyarekar for various fixes.
 @item
 Pravin Satpute for writing sorting rules for some Indian languages.
 
+@item
+Will Schmidt for optimized string functions on PowerPC.
+
 @item
 Martin Schwidefsky for porting to Linux on s390
 (@code{s390-@var{anything}-linux}) and s390x