[gitg] Decrease width, not x in RTL mode

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

commit f70d518c2f9371a85338a3c9e68ed3acd20dfcfe
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Sun Jan 5 00:00:21 2014 +0100

    Decrease width, not x in RTL mode

 libgitg/gitg-cell-renderer-lanes.vala |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/libgitg/gitg-cell-renderer-lanes.vala b/libgitg/gitg-cell-renderer-lanes.vala
index 9f09d05..321da7f 100644
--- a/libgitg/gitg-cell-renderer-lanes.vala
+++ b/libgitg/gitg-cell-renderer-lanes.vala
@@ -276,8 +276,8 @@ namespace Gitg
                                }
                                else
                                {
-                                       narea.x -= (int)tw;
-                                       ncell_area.x -= (int)tw;
+                                       narea.width -= (int)tw;
+                                       ncell_area.width -= (int)tw;
                                }
 
                                context.restore();