[balsa] Fix Galician translation of default:mm

[Piotr Drąg <piotrdrag src gnome org>]

commit facf0646b447b705f480eed8ae4b4970a67d9ef9
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Sep 26 15:57:04 2015 +0200

    Fix Galician translation of default:mm

 po/gl.po |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po/gl.po b/po/gl.po
index 0304aa5..bfaf36f 100644
--- a/po/gl.po
+++ b/po/gl.po
@@ -6008,7 +6008,7 @@ msgstr[1] ""
 #.
 #: ../src/print-gtk.c:392
 msgid "default:mm"
-msgstr "predefinido:mm"
+msgstr "default:mm"
 
 #: ../src/print-gtk.c:449
 msgid "inch"