[glib] Mark glib_gettext as string translation function

[Matthias Clasen <matthiasc src gnome org>]

commit 20df6b6e888a1aed596c8c60ed7427708a56a453
Author: Tobias Mueller <gnome-bugs auftrags-killer org>
Date:   Wed Apr 1 21:51:00 2009 -0400

    Mark glib_gettext as string translation function
    
    Make glib_gettext with G_GNUC_FORMAT to avoid warnings with
    -Wformat -Wformat-nonliteral.
    Signed-off-by: Matthias Clasen <mclasen redhat com>
---
 glib/glib.symbols |    2 +-
 glib/glibintl.h   |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/glib/glib.symbols b/glib/glib.symbols
index 333164f..a8b7b44 100644
--- a/glib/glib.symbols
+++ b/glib/glib.symbols
@@ -1486,7 +1486,7 @@ g_unichar_validate
 
 #if IN_HEADER(__GLIBINTL_H__)
 #if IN_FILE(__G_UTILS_C__)
-glib_gettext
+glib_gettext G_GNUC_FORMAT(1)
 #endif
 #endif
 
diff --git a/glib/glibintl.h b/glib/glibintl.h
index 3116f85..47a7910 100644
--- a/glib/glibintl.h
+++ b/glib/glibintl.h
@@ -5,7 +5,7 @@
 #error "config.h must be included prior to glibintl.h"
 #endif
 
-G_CONST_RETURN gchar *glib_gettext (const gchar *str);
+G_CONST_RETURN gchar *glib_gettext (const gchar *str) G_GNUC_FORMAT(1);
 
 #ifdef ENABLE_NLS