[gtk+] Fix doc comment

[Matthias Clasen <matthiasc src gnome org>]

commit d1b5d0567bc1086938a66576d291c9c93c4a4673
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri May 25 22:58:55 2012 -0400

    Fix doc comment
    
    The introspection annotation for gtk_im_context_get_surrounding
    was missing a :.

 gtk/gtkimcontext.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkimcontext.c b/gtk/gtkimcontext.c
index ab47d81..eb5b981 100644
--- a/gtk/gtkimcontext.c
+++ b/gtk/gtkimcontext.c
@@ -622,7 +622,7 @@ gtk_im_context_set_surrounding (GtkIMContext  *context,
  *        string of text holding context around the insertion point.
  *        If the function returns %TRUE, then you must free the result
  *        stored in this location with g_free().
- * @cursor_index: (out) location to store byte index of the insertion
+ * @cursor_index: (out): location to store byte index of the insertion
  *        cursor within @text.
  * 
  * Retrieves context around the insertion point. Input methods