[meld] Don't use combobox text helpers in non-text-only box

[Kai Willadsen <kaiw src gnome org>]

commit 8344d58e874591a27cb9be045e5037adedffd8e2
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sat Apr 27 06:25:04 2013 +1000

    Don't use combobox text helpers in non-text-only box

 meld/vcview.py |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/meld/vcview.py b/meld/vcview.py
index 23a3ee0..8d879f0 100644
--- a/meld/vcview.py
+++ b/meld/vcview.py
@@ -110,8 +110,11 @@ class CommitDialog(gnomeglade.Component):
         self.widget.destroy()
 
     def on_previousentry_activate(self, gentry):
-        buf = self.textview.get_buffer()
-        buf.set_text(gentry.get_active_text())
+        idx = gentry.get_active()
+        if idx != -1:
+            model = gentry.get_model()
+            buf = self.textview.get_buffer()
+            buf.set_text(model[idx][0])
 
 
 COL_LOCATION, COL_STATUS, COL_REVISION, COL_TAG, COL_OPTIONS, COL_END = \