[gnome-control-center] printers: Rename "Add a New Printer" dialog title to "Add Printer"

[Felipe Borges <felipeborges src gnome org>]

commit bd25c8d1e47c045dfafe8780b66107ed0f941a62
Author: Felipe Borges <felipeborges gnome org>
Date:   Fri Sep 2 13:04:01 2016 +0200

    printers: Rename "Add a New Printer" dialog title to "Add Printer"
    
    This is a redesign based on the newest mockups available at
    https://wiki.gnome.org/Design/SystemSettings/Printers#Guidelines
    
    https://bugzilla.gnome.org/show_bug.cgi?id=760783

 panels/printers/new-printer-dialog.ui |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/panels/printers/new-printer-dialog.ui b/panels/printers/new-printer-dialog.ui
index bc8355e..a5f9df8 100644
--- a/panels/printers/new-printer-dialog.ui
+++ b/panels/printers/new-printer-dialog.ui
@@ -27,7 +27,7 @@
     <property name="height_request">350</property>
     <property name="can_focus">False</property>
     <property name="border_width">5</property>
-    <property name="title" translatable="yes">Add a New Printer</property>
+    <property name="title" translatable="yes" comments="Translators: This is the title presented at top of 
the dialog.">Add Printer</property>
     <property name="resizable">False</property>
     <property name="modal">True</property>
     <property name="destroy_with_parent">True</property>