[gitg] Fix too large overdraw for pane switcher

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

commit de5cd0d7c7327a4d5d9aaa1574fa97849ddcba6e
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Sun Dec 14 18:15:59 2014 +0100

    Fix too large overdraw for pane switcher

 gitg/history/gitg-history-paned.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gitg/history/gitg-history-paned.vala b/gitg/history/gitg-history-paned.vala
index 700791a..b159ef0 100644
--- a/gitg/history/gitg-history-paned.vala
+++ b/gitg/history/gitg-history-paned.vala
@@ -234,7 +234,7 @@ class Paned : Gitg.AnimatedPaned
                d_stack_switcher_panels.get_allocation(out alloc);
 
                var y = alloc.y - d_box_sidebar.spacing;
-               var hw = handlewin.get_width();
+               var hw = 1;
                var w = position + hw;
                var h = alloc.height + d_box_sidebar.spacing + d_stack_switcher_panels.margin_bottom;