[gimp] Fix in Catalan translation

[Jordi Mas <jmas src gnome org>]

commit 41fda5ed99b03e014a4dc311d5af83d5b51b31cc
Author: Jordi Mas <jmas softcatala org>
Date:   Thu Apr 30 20:53:00 2015 +0200

    Fix in Catalan translation

 po-plug-ins/ca.po |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po-plug-ins/ca.po b/po-plug-ins/ca.po
index dd0339a..e38441a 100644
--- a/po-plug-ins/ca.po
+++ b/po-plug-ins/ca.po
@@ -12435,7 +12435,7 @@ msgstr "Cre_a una imatge nova"
 #: ../plug-ins/lighting/lighting-ui.c:328
 #: ../plug-ins/map-object/map-object-ui.c:481
 msgid "Create a new image when applying filter"
-msgstr "Crearà una imatge nova quant s'apliqui el filtre"
+msgstr "Crearà una imatge nova quan s'apliqui el filtre"
 
 #: ../plug-ins/lighting/lighting-ui.c:330
 msgid "High _quality preview"