configure: In gnutls-3.2, gnutls_mac_get_key_size() moved to crypto.h.

Based on a patch by Ben Kohler <bkohler@gmail.com>.

configure

@@ -10200,6 +10200,7 @@ if test "x$ac_cv_header_gnutls_gnutls_h" = xyes; then :
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <gnutls/gnutls.h>
+#include <gnutls/crypto.h>
 int
 main ()
 {

configure.ac

@@ -1344,7 +1344,8 @@ then
     ac_save_CPPFLAGS="$CPPFLAGS"
     WINE_PACKAGE_FLAGS(GNUTLS,[gnutls])
     AC_CHECK_HEADER(gnutls/gnutls.h,
-        [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <gnutls/gnutls.h>]], [[static typeof(gnutls_mac_get_key_size) *func; if (func) return 0;]])],
+        [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <gnutls/gnutls.h>
+#include <gnutls/crypto.h>]], [[static typeof(gnutls_mac_get_key_size) *func; if (func) return 0;]])],
             [WINE_CHECK_SONAME(gnutls,gnutls_global_init,,[GNUTLS_CFLAGS=""],[$GNUTLS_LIBS])])],
         [GNUTLS_CFLAGS=""])
     CPPFLAGS="$ac_save_CPPFLAGS"

dlls/secur32/schannel_gnutls.c

@@ -25,6 +25,7 @@
 #include <stdarg.h>
 #ifdef SONAME_LIBGNUTLS
 #include <gnutls/gnutls.h>
+#include <gnutls/crypto.h>
 #endif
 
 #include "windef.h"