[gitg] renderer-text: add missing transform_to_window calls

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 8809c20f903a9acf97f4024d4eb6b71a7d8c554c
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Fri Jan 22 14:32:36 2016 +0100

    renderer-text: add missing transform_to_window calls

 libgitg/gitg-diff-view-file-renderer-text.vala |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/libgitg/gitg-diff-view-file-renderer-text.vala b/libgitg/gitg-diff-view-file-renderer-text.vala
index c8d5e95..b991c14 100644
--- a/libgitg/gitg-diff-view-file-renderer-text.vala
+++ b/libgitg/gitg-diff-view-file-renderer-text.vala
@@ -445,11 +445,13 @@ class Gitg.DiffViewFileRendererText : Gtk.SourceView, DiffSelectable, DiffViewFi
                var sym_lines_width = d_sym_lines.size + d_sym_lines.xpad * 2;
 
                ctx.save();
+               Gtk.cairo_transform_to_window(cr, this, win);
                ctx.add_class("diff-lines-separator");
                ctx.render_frame(cr, 0, 0, old_lines_width, win.get_height());
                ctx.restore();
 
                ctx.save();
+               Gtk.cairo_transform_to_window(cr, this, win);
                ctx.add_class("diff-lines-gutter-border");
                ctx.render_frame(cr, old_lines_width + new_lines_width, 0, sym_lines_width, win.get_height());
                ctx.restore();