[balsa] Fix translator comments in .ui files

[Piotr Drąg <piotrdrag src gnome org>]

commit a095a4dba96759a49684bd959828529bb9c4ed63
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Aug 28 17:35:16 2017 +0200

    Fix translator comments in .ui files
    
    Move them to proper “comments” attributes and remove apostrophes
    that choke intltool (see https://bugs.launchpad.net/intltool/+bug/1497715).

 ui/ab-main.ui     |    4 ++--
 ui/main-window.ui |    3 +--
 2 files changed, 3 insertions(+), 4 deletions(-)
---
diff --git a/ui/ab-main.ui b/ui/ab-main.ui
index d82245f..f530dc5 100644
--- a/ui/ab-main.ui
+++ b/ui/ab-main.ui
@@ -4,10 +4,10 @@
             <attribute name='label' translatable='yes'>_File</attribute>
             <section>
                 <submenu>
-                    <!-- Translators: main menu item "New" address book -->
                     <attribute name='label'
                         translatable='yes'
-                        context='address book'>_New</attribute>
+                        context='address book'
+                        comments='Translators: main menu item - New address book'>_New</attribute>
                     <item>
                         <attribute name='label'
                             translatable='yes'>_VCard Address Book (GnomeCard)</attribute>
diff --git a/ui/main-window.ui b/ui/main-window.ui
index e6e85db..487aede 100644
--- a/ui/main-window.ui
+++ b/ui/main-window.ui
@@ -1,8 +1,7 @@
 <interface>
   <menu id='app-menu'>
     <submenu>
-      <!-- Translators: app menu item "New" message or mailbox -->
-      <attribute name='label' translatable='yes' context='appmenu'>_New</attribute>
+      <attribute name='label' translatable='yes' context='appmenu' comments='Translators: app menu item - 
New message or mailbox'>_New</attribute>
       <section>
         <item>
           <attribute name='label' translatable='yes'>_Message</attribute>