[gnome-builder] libide: <ctrl>bracketleft also works as escape alias

[Christian Hergert <chergert src gnome org>]

commit 8c2010ea749b6df3f6310bd2e66eea3ed20cceb0
Author: Christian Hergert <christian hergert me>
Date:   Wed Mar 4 12:10:00 2015 -0800

    libide: <ctrl>bracketleft also works as escape alias

 data/keybindings/vim.css |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/keybindings/vim.css b/data/keybindings/vim.css
index cb96ace..6f45ba6 100644
--- a/data/keybindings/vim.css
+++ b/data/keybindings/vim.css
@@ -1,6 +1,7 @@
 @binding-set builder-vim-source-view
 {
   bind "Escape" { "set-mode" ("vim-normal", permanent) };
+  bind "<ctrl>bracketleft" { "set-mode" ("vim-normal", permanent) };
 }
 
 @binding-set builder-vim-source-view-normal