[babl] gegl-fixups: Fix warning about ambiguous sign

[Daniel Sabo <daniels src gnome org>]

commit 23da03bb13ab52f96d326684204e2331bbb531b3
Author: Daniel Sabo <DanielSabo gmail com>
Date:   Mon Jun 17 21:48:39 2013 -0700

    gegl-fixups: Fix warning about ambiguous sign

 extensions/gegl-fixups.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/extensions/gegl-fixups.c b/extensions/gegl-fixups.c
index 7645993..c1f91ca 100644
--- a/extensions/gegl-fixups.c
+++ b/extensions/gegl-fixups.c
@@ -88,7 +88,7 @@ table_init (void)
 
     //u.s[0] = 0;
 
-    for (u.s = 0; u.s < 4294900000; u.s += 32768)
+    for (u.s = 0; u.s < 4294900000U; u.s += 32768)
       {
         int c;
         int cg;