[meld/ui-next] Add F1 as a shortcut for Help

[Kai Willadsen <kaiw src gnome org>]

commit 44ecd18b65cf4c01b1740f17b18721158df8c982
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Mon Jan 28 10:42:12 2019 +1000

    Add F1 as a shortcut for Help

 meld/resources/gtk/menus.ui | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/meld/resources/gtk/menus.ui b/meld/resources/gtk/menus.ui
index 70f3b0dd..464ca0e7 100644
--- a/meld/resources/gtk/menus.ui
+++ b/meld/resources/gtk/menus.ui
@@ -25,6 +25,7 @@
       <item>
         <attribute name="label" translatable="yes">_Help</attribute>
         <attribute name="action">app.help</attribute>
+        <attribute name="accel">F1</attribute>
       </item>
       <item>
         <attribute name="label" translatable="yes">Keyboard Shortcuts</attribute>