[glib] Remove obsolescent AC_HEADER_STDC macro

[Matthias Clasen <matthiasc src gnome org>]

commit 4576a459fc0aebc48581d16a076bd0a0924ae988
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Dec 27 15:55:04 2011 -0500

    Remove obsolescent AC_HEADER_STDC macro
    
    We only used the resulting define in one place, and really,
    these headers just have to be around or its not worth trying.

 configure.ac      |    3 ---
 glib/tests/hash.c |    2 --
 2 files changed, 0 insertions(+), 5 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 78d6d31..fb1a984 100644
--- a/configure.ac
+++ b/configure.ac
@@ -561,9 +561,6 @@ AC_TRY_COMPILE([#include <dirent.h>], [DIR *dir;],
     CFLAGS=$glib_save_CFLAGS
     AC_MSG_WARN([Could not determine POSIX flag. (-posix didn't work.)])))
 
-# Checks for header files.
-AC_HEADER_STDC
-
 # Checks for library functions.
 AC_FUNC_VPRINTF
 AC_FUNC_ALLOCA
diff --git a/glib/tests/hash.c b/glib/tests/hash.c
index 716bfa2..492e89f 100644
--- a/glib/tests/hash.c
+++ b/glib/tests/hash.c
@@ -32,11 +32,9 @@
 #  include <config.h>
 #endif
 
-#if STDC_HEADERS
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
-#endif
 
 #include <glib.h>