[glib] gmacros: add G_GNUC_UNUSED to G_STATIC_ASSERT

[Cosimo Cecchi <cosimoc src gnome org>]

commit 0ea7abaed5cff685f4d825f13588979e5dcb8e5b
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Wed Jan 30 17:59:09 2013 +0100

    gmacros: add G_GNUC_UNUSED to G_STATIC_ASSERT
    
    Silence some warnings seen with GCC 4.8.

 glib/gmacros.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/glib/gmacros.h b/glib/gmacros.h
index b07eba7..7c21717 100644
--- a/glib/gmacros.h
+++ b/glib/gmacros.h
@@ -159,9 +159,9 @@
 #define G_PASTE_ARGS(identifier1,identifier2) identifier1 ## identifier2
 #define G_PASTE(identifier1,identifier2)      G_PASTE_ARGS (identifier1, identifier2)
 #ifdef __COUNTER__
-#define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __COUNTER__)[(expr) ? 1 : -1]
+#define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __COUNTER__)[(expr) ? 1 : -1] G_GNUC_UNUSED
 #else
-#define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __LINE__)[(expr) ? 1 : -1]
+#define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __LINE__)[(expr) ? 1 : -1] G_GNUC_UNUSED
 #endif
 #define G_STATIC_ASSERT_EXPR(expr) ((void) sizeof (char[(expr) ? 1 : -1]))
 #endif