[chronojump] Minor change on catalan translation

[Xavier de Blas <xaviblas src gnome org>]

commit b87e6ce0c044720aa609e0d1a9206923e570ddf8
Author: Xavier de Blas <xaviblas gmail com>
Date:   Thu May 18 00:10:51 2017 +0200

    Minor change on catalan translation

 po/ca.po |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po/ca.po b/po/ca.po
index 1c45668..11d9554 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -3071,7 +3071,7 @@ msgstr "s"
 
 #: ../glade/preferences_win.glade.h:49
 msgid "Main variable"
-msgstr "Variables principals"
+msgstr "Variable principal"
 
 #: ../glade/preferences_win.glade.h:50
 msgid "End at n inactivity seconds"