[gnome-contacts] Use new app icon name for .desktop

[Niels De Graef <nielsdg src gnome org>]

commit 71677f1c10aa95bbf5405e24695915ad15e65bf4
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Sun Aug 13 17:13:18 2017 -0400

    Use new app icon name for .desktop
    
    https://bugzilla.gnome.org/show_bug.cgi?id=786254

 data/org.gnome.Contacts.desktop.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/org.gnome.Contacts.desktop.in b/data/org.gnome.Contacts.desktop.in
index 539e254..9afe1ef 100644
--- a/data/org.gnome.Contacts.desktop.in
+++ b/data/org.gnome.Contacts.desktop.in
@@ -4,7 +4,7 @@ Comment=A contacts manager for GNOME
 # Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list 
MUST also end with a semicolon!
 Keywords=friends;address book;
 # Translators: Do NOT translate or transliterate this text (this is an icon file name)!
-Icon=x-office-address-book
+Icon=gnome-contacts
 Exec=gnome-contacts
 Terminal=false
 Type=Application