[gimp] Update Catalan translation

[Jordi Mas <jmas src gnome org>]

commit 6cc47a7af048a41cbfd31eafce8f5d136945d505
Author: Jordi Mas <jmas softcatala org>
Date:   Fri Apr 10 16:02:47 2020 +0200

    Update Catalan translation

 po-plug-ins/ca.po | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/po-plug-ins/ca.po b/po-plug-ins/ca.po
index 1422cddd7d..84401edcee 100644
--- a/po-plug-ins/ca.po
+++ b/po-plug-ins/ca.po
@@ -4517,7 +4517,7 @@ msgstr "En la pel·lícula:"
 
 #: ../plug-ins/common/film.c:973 ../plug-ins/common/unit-editor.c:242
 msgid "_Add"
-msgstr "_Additiu"
+msgstr "_Afegeix"
 
 #: ../plug-ins/common/film.c:973 ../plug-ins/imagemap/imap_polygon.c:529
 msgid "_Remove"
@@ -4551,7 +4551,7 @@ msgstr "Co_lor:"
 #. Film numbering: Startindex/Font/color
 #: ../plug-ins/common/film.c:1088
 msgid "Numbering"
-msgstr "S'està numerant"
+msgstr "Numeració"
 
 #: ../plug-ins/common/film.c:1109
 msgid "Start _index:"