[gimp] Fix to Catalan translation

[Jordi Mas <jmas src gnome org>]

commit bd1c9dc4ce94d233320c90b1f55951de4500f0ea
Author: Jordi Mas <jmas softcatala org>
Date:   Tue Nov 1 07:53:46 2016 +0100

    Fix to Catalan translation

 po-libgimp/ca.po |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po-libgimp/ca.po b/po-libgimp/ca.po
index 4038111..289c526 100644
--- a/po-libgimp/ca.po
+++ b/po-libgimp/ca.po
@@ -673,7 +673,7 @@ msgstr "Lluminositat"
 #: ../libgimpbase/gimpbaseenums.c:438
 msgctxt "desaturate-mode"
 msgid "Average"
-msgstr "Mitja"
+msgstr "Mitjana"
 
 #: ../libgimpbase/gimpbaseenums.c:467
 msgctxt "dodge-burn-type"