[file-roller] oc.po: added missing msgstr line

[Paolo Bacchilega <paobac src gnome org>]

commit d3e827f2337f6b82d001bc4479d74e16e670a802
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Mon Feb 3 20:15:19 2014 +0100

    oc.po: added missing msgstr line

 po/oc.po |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/po/oc.po b/po/oc.po
index 202d3c0..5162924 100644
--- a/po/oc.po
+++ b/po/oc.po
@@ -311,6 +311,7 @@ msgstr ""
 msgid ""
 "You should have received a copy of the GNU General Public License along with "
 "File Roller; if not, see <http://www.gnu.org/licenses/>."
+msgstr ""
 
 #: ../src/actions.c:862
 msgid "Copyright © 2001–2010 Free Software Foundation, Inc."