[gnome-maps] Add missing xml-declaration

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 89865d1124065b7210a7e37cf39b1bd05a598ca4
Author: Mattias Bengtsson <mattias jc bengtsson gmail com>
Date:   Tue Aug 6 00:28:01 2013 +0200

    Add missing xml-declaration
    
    Add missing xml-declaration to app-menu.ui. This is supposed to start
    all xml files plus it makes emacs nxml-mode happy.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=705537

 src/app-menu.ui |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/app-menu.ui b/src/app-menu.ui
index 6782fe7..a40eb08 100644
--- a/src/app-menu.ui
+++ b/src/app-menu.ui
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <interface>
   <menu id="app-menu">
     <section>