[gtk+] Fix make dist after breaking it in my last commit

[Richard Hughes <rhughes src gnome org>]

commit 3fc7f408ce5f6807f2a02a78db77c3e6d01eb1b0
Author: Richard Hughes <richard hughsie com>
Date:   Mon May 10 17:25:32 2010 +0100

    Fix make dist after breaking it in my last commit

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 7d0785d..48e31dd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2177,7 +2177,7 @@ modules/printbackends/test/Makefile
 perf/Makefile
 contrib/Makefile
 contrib/gdk-pixbuf-xlib/Makefile
-contrib/gdk-pixbuf-xlib/gdk-pixbuf-xlib-2.0.pc
+contrib/gdk-pixbuf-xlib/gdk-pixbuf-xlib-3.0.pc
 ])
 
 AC_OUTPUT