[meld] filediff: Fix earlier refactor

[Kai Willadsen <kaiw src gnome org>]

commit 2191fbad2195de5608babece558e33e38a3b99b4
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sun Dec 21 06:11:44 2014 +1000

    filediff: Fix earlier refactor

 meld/filediff.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/meld/filediff.py b/meld/filediff.py
index 3c556ba..e85d80a 100644
--- a/meld/filediff.py
+++ b/meld/filediff.py
@@ -540,7 +540,7 @@ class FileDiff(melddoc.MeldDoc, gnomeglade.Component):
     def next_diff(self, direction, centered=False):
         target = (self.cursor.next if direction == Gdk.ScrollDirection.DOWN
                   else self.cursor.prev)
-        go_to_chunk(target, centered=centered)
+        self.go_to_chunk(target, centered=centered)
 
     def action_previous_conflict(self, *args):
         self.go_to_chunk(self.cursor.prev_conflict, self.cursor.pane)