[gnome-builder] emacs: set display name for C-x mode

[Christian Hergert <chergert src gnome org>]

commit 3cc1a285235f6d7ebda8127cf4bc25105eadc0c7
Author: Christian Hergert <christian hergert me>
Date:   Sun Mar 29 20:50:40 2015 -0700

    emacs: set display name for C-x mode

 data/keybindings/emacs.css |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/data/keybindings/emacs.css b/data/keybindings/emacs.css
index e6c75fe..7a05d37 100644
--- a/data/keybindings/emacs.css
+++ b/data/keybindings/emacs.css
@@ -134,6 +134,8 @@ IdeSourceViewMode.default
 }
 
 IdeSourceViewMode.emacs-x {
+  -IdeSourceViewMode-display-name: "C-x";
+
   gtk-key-bindings: builder-emacs-source-view-x;
 }