diff -ur wine-1.5.30/configure.ac wine-1.5.30.new/configure.ac
--- wine-1.5.30/configure.ac	2013-05-23 09:43:12.174687006 -0500
+++ wine-1.5.30.new/configure.ac	2013-05-23 09:53:25.257308062 -0500
@@ -1363,7 +1363,7 @@
     ac_save_CPPFLAGS="$CPPFLAGS"
     WINE_PACKAGE_FLAGS(GNUTLS,[gnutls])
     AC_CHECK_HEADER(gnutls/gnutls.h,
-        [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <gnutls/gnutls.h>]], [[static typeof(gnutls_mac_get_key_size) *func; if (func) return 0;]])],
+        [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <gnutls/gnutls.h>]], [[static typeof(gnutls_cipher_algorithm_t) *func; if (func) return 0;]])],
             [WINE_CHECK_SONAME(gnutls,gnutls_global_init,,[GNUTLS_CFLAGS=""],[$GNUTLS_LIBS])])],
         [GNUTLS_CFLAGS=""])
     CPPFLAGS="$ac_save_CPPFLAGS"
diff -ur wine-1.5.30/dlls/secur32/schannel_gnutls.c wine-1.5.30.new/dlls/secur32/schannel_gnutls.c
--- wine-1.5.30/dlls/secur32/schannel_gnutls.c	2013-05-23 10:15:23.933518992 -0500
+++ wine-1.5.30.new/dlls/secur32/schannel_gnutls.c	2013-05-24 09:18:00.214736800 -0500
@@ -25,6 +25,7 @@
 #include <stdarg.h>
 #ifdef SONAME_LIBGNUTLS
 #include <gnutls/gnutls.h>
+#include <gnutls/crypto.h>
 #endif
 
 #include "windef.h"