[niepce] Fix make check errors for desktop file

[Hubert Figuière <hub src gnome org>]

commit abf766734bc92e3be74f688ea9e0cc7ada2fccf6
Author: Hubert Figuière <hub figuiere net>
Date:   Tue Sep 16 23:14:00 2014 -0400

    Fix make check errors for desktop file

 data/niepce.desktop.in.in |    2 +-
 po/POTFILES.skip          |    3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/data/niepce.desktop.in.in b/data/niepce.desktop.in.in
index 0678d83..7e29748 100644
--- a/data/niepce.desktop.in.in
+++ b/data/niepce.desktop.in.in
@@ -8,4 +8,4 @@ Icon=niepce
 StartupNotify=true
 Terminal=false
 Type=Application
-Categories=GNOME;GTK;Graphics;Photo;
+Categories=GNOME;GTK;Graphics;
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index dc8ee27..7e780f2 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -1,2 +1 @@
-src/niepce/ui/dialogs/importdialog.glade
-src/niepce/ui/dialogs/preferences.glade
+data/niepce.desktop.in