[gnome-boxes] Add forgotten file to POTFILES.skip

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 9072bf1cd062b914b75fd40cbec96154fdf93236
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Mon Dec 17 23:19:03 2012 +0200

    Add forgotten file to POTFILES.skip

 po/POTFILES.skip |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index 41c1d78..44df030 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -7,6 +7,7 @@ src/installer-media.c
 src/libvirt-machine.c
 src/machine.c
 src/main.c
+src/media-manager.c
 src/notificationbar.c
 src/properties.c
 src/remote-machine.c