[gnome-font-viewer] Update Catalan translation

[Jordi Mas <jmas src gnome org>]

commit cd3906e8a7b92413cd0e4463fd19919be28d669f
Author: Jordi Mas <jmas softcatala org>
Date:   Fri Dec 28 09:56:32 2018 +0100

    Update Catalan translation

 po/ca.po | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/po/ca.po b/po/ca.po
index 8032537..f4eea84 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -281,7 +281,7 @@ msgstr "Composició / descomposició de glifs"
 #: src/open-type-layout.h:25
 msgctxt "OpenType layout"
 msgid "Conjunct Form After Ro"
-msgstr "Conjunct Form After Ro"
+msgstr "Forma de conjunt després de Ro"
 
 #: src/open-type-layout.h:26
 msgctxt "OpenType layout"
@@ -581,7 +581,7 @@ msgstr "Lligadures estàndard"
 #: src/open-type-layout.h:85
 msgctxt "OpenType layout"
 msgid "Leading Jamo Forms"
-msgstr "Formen principals Jamo"
+msgstr "Formes principals Jamo"
 
 #: src/open-type-layout.h:86
 msgctxt "OpenType layout"