[glibmm] Restore unintended change.

[Murray Cumming <murrayc src gnome org>]

commit c1d9cf221340144d9ba9597ce3fb1aef83b54eae
Author: Murray Cumming <murrayc murrayc com>
Date:   Wed Nov 23 13:49:51 2011 +0100

    Restore unintended change.

 glib/glibmm/utility.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glib/glibmm/utility.h b/glib/glibmm/utility.h
index abb4535..723418d 100644
--- a/glib/glibmm/utility.h
+++ b/glib/glibmm/utility.h
@@ -30,7 +30,7 @@
  * GLIBMM_INITIALIZE_STRUCT(Var, Type) is provided.  It even avoids creating
  * a temporary if the compiler is GCC.
  */
-#if ((__GNUC__ >= 3) || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96))
+#if ((__GNUC__ >= 3) || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)) && !defined(__STRICT_ANSI__)
 
 #define GLIBMM_INITIALIZE_STRUCT(Var, Type) __builtin_memset(&(Var), 0, sizeof(Type))