[gtk+] Fix a typo

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 0c55b841fc41a14f933f5d2f773cdcd7603289b5
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat May 17 22:20:13 2014 -0500

    Fix a typo

 gtk/gtkbbox.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkbbox.c b/gtk/gtkbbox.c
index 02d0b0e..f8d865a 100644
--- a/gtk/gtkbbox.c
+++ b/gtk/gtkbbox.c
@@ -40,7 +40,7 @@
  * same size. GtkButtonBox gives all children the same size, but it does allow
  * 'outliers' to keep their own larger size.
  *
- * To excempt individual children from homogeneous sizing regardless of their
+ * To exempt individual children from homogeneous sizing regardless of their
  * 'outlier' status, you can set the non-homogeneous child
  * property.
  */