[gedit] Test first tab trigger character on text, not iter

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 44ae5970d9961a64c2bee52eb33d185b24842978
Author: Jesse van den Kieboom <jesse vandenkieboom epfl ch>
Date:   Wed Aug 15 09:52:04 2012 +0200

    Test first tab trigger character on text, not iter

 plugins/snippets/snippets/document.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/snippets/snippets/document.py b/plugins/snippets/snippets/document.py
index 322a66b..f482723 100644
--- a/plugins/snippets/snippets/document.py
+++ b/plugins/snippets/snippets/document.py
@@ -613,7 +613,7 @@ class Document(GObject.Object, Gedit.ViewActivatable, Signals):
 
                                 # Make sure first char is valid
                                 while not start.equal(end) and \
-                                      not helper.is_first_tab_trigger_character(start):
+                                      not helper.is_first_tab_trigger_character(start.get_char()):
                                         start.forward_char()
 
                                 break