[glib] gmessages: Drop unnecessary stdio.h include

[Philip Withnall <pwithnall src gnome org>]

commit b4326bc348cf57274e8c97e9a2663a71958d22e8
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Wed Aug 17 12:41:26 2016 +0200

    gmessages: Drop unnecessary stdio.h include
    
    This was needed for an earlier version of the structured logging work,
    but not the latest.

 glib/gmessages.h |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/glib/gmessages.h b/glib/gmessages.h
index a79c1e3..9953652 100644
--- a/glib/gmessages.h
+++ b/glib/gmessages.h
@@ -30,7 +30,6 @@
 #endif
 
 #include <stdarg.h>
-#include <stdio.h>
 #include <glib/gtypes.h>
 #include <glib/gmacros.h>