[meld] Fix initial cursor position setting in identical files (bgo#699309)

[Kai Willadsen <kaiw src gnome org>]

commit d402db9509a61b7439299b150c56ffca5eccfc9d
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sun May 5 07:54:59 2013 +1000

    Fix initial cursor position setting in identical files (bgo#699309)

 meld/filediff.py |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/meld/filediff.py b/meld/filediff.py
index 54784fa..b187aa5 100644
--- a/meld/filediff.py
+++ b/meld/filediff.py
@@ -1159,7 +1159,14 @@ class FileDiff(melddoc.MeldDoc, gnomeglade.Component):
             self.cursor.next = next_
         for buf in self.textbuffer:
             buf.place_cursor(buf.get_start_iter())
-        self.scheduler.add_task(lambda: self.next_diff(gtk.gdk.SCROLL_DOWN), True)
+
+        if self.cursor.next is not None:
+            self.scheduler.add_task(
+                lambda: self.next_diff(gtk.gdk.SCROLL_DOWN), True)
+        else:
+            buf = self.textbuffer[1 if self.num_panes > 1 else 0]
+            self.on_cursor_position_changed(buf, None, True)
+
         self.queue_draw()
         self._connect_buffer_handlers()
         self._set_merge_action_sensitivity()