[caribou] Update width calculation method.

[Eitan Isaacson <eitani src gnome org>]

commit 910255cccf6908c2727f2379f1bdef97b24011fa
Author: Eitan Isaacson <eitan monotonous org>
Date:   Mon Sep 5 12:29:26 2011 -0700

    Update width calculation method.

 caribou/antler/keyboard_view.py |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/caribou/antler/keyboard_view.py b/caribou/antler/keyboard_view.py
index 350be91..14914a9 100644
--- a/caribou/antler/keyboard_view.py
+++ b/caribou/antler/keyboard_view.py
@@ -87,8 +87,9 @@ class AntlerKey(Gtk.Button):
         if self.caribou_key():
             self.caribou_key().release()
 
-    def do_get_preferred_width_for_height(self, h):
+    def do_get_preferred_width(self):
         w = self.caribou_key().props.width
+        h, _ = self.get_preferred_height()
         width = int(h * w + ceil(w - 1) * self._spacing)
         return (width, width)