[gimp] Update Catalan translation

[Jordi Mas <jmas src gnome org>]

commit 943e00b35732cbe56e4553dc40fca1ffa5524b47
Author: Jordi Mas <jmas softcatala org>
Date:   Sun Sep 20 16:41:27 2020 +0200

    Update Catalan translation

 po/ca.po | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/po/ca.po b/po/ca.po
index 744ce31357..a2641c5274 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -7949,7 +7949,7 @@ msgstr "Color nou des del _fons"
 #: ../app/actions/palette-editor-actions.c:81
 msgctxt "palette-editor-action"
 msgid "Create a new entry from the background color"
-msgstr "Crea un color nou com el del fons"
+msgstr "Crea una entrada nova a partir del color de fons"
 
 #: ../app/actions/palette-editor-actions.c:89
 msgid "Zoom _In"