[gnome-maps] help-overlay: Add shortcut to open shape layer

[Marcus Lundblad <mlundblad src gnome org>]

commit 258d40e22c7c565d75a0c57c12225eeb008d20b3
Author: Marcus Lundblad <ml update uu se>
Date:   Tue Apr 25 22:26:53 2017 +0200

    help-overlay: Add shortcut to open shape layer
    
    https://bugzilla.gnome.org/show_bug.cgi?id=776826

 data/ui/help-overlay.ui |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/data/ui/help-overlay.ui b/data/ui/help-overlay.ui
index b9594c9..9df7db4 100644
--- a/data/ui/help-overlay.ui
+++ b/data/ui/help-overlay.ui
@@ -92,6 +92,13 @@
                 <property name="accelerator">&lt;Primary&gt;2</property>
               </object>
             </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
+                <property name="title" translatable="yes" context="shortcut window">Open shape 
layer</property>
+                <property name="accelerator">&lt;Primary&gt;O</property>
+              </object>
+            </child>
           </object>
         </child>
       </object>