[gnome-builder] app: use ctrl+shift+f9 for toggle-panels

[Christian Hergert <chergert src gnome org>]

commit a64dddb581e553bf0b7d72791da02dd91e8c9198
Author: Christian Hergert <christian hergert me>
Date:   Tue Jun 9 17:57:59 2015 -0700

    app: use ctrl+shift+f9 for toggle-panels
    
    More natural of a keybinding when the others are also F9 based.

 src/app/gb-application.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/app/gb-application.c b/src/app/gb-application.c
index beb7bb0..9553a1a 100644
--- a/src/app/gb-application.c
+++ b/src/app/gb-application.c
@@ -138,7 +138,7 @@ gb_application_load_keybindings (GbApplication *self)
     { "workbench.show-left-pane", "F9" },
     { "workbench.show-right-pane", "<shift>F9" },
     { "workbench.show-bottom-pane", "<ctrl>F9" },
-    { "workbench.toggle-panels", "<ctrl><alt>Return" },
+    { "workbench.toggle-panels", "<ctrl><shift>F9" },
     { "workspace.focus-sidebar", "<ctrl>0" },
     { "workspace.focus-stack(1)", "<ctrl>1" },
     { "workspace.focus-stack(2)", "<ctrl>2" },