[balsa] Fix French translation of default:mm

[Piotr Drąg <piotrdrag src gnome org>]

commit cfe6673bf7b6df57b5f01d093eec5fd212185b1a
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Sep 26 15:56:37 2015 +0200

    Fix French translation of default:mm

 po/fr.po |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/po/fr.po b/po/fr.po
index 84e82f2..edc6d52 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -6085,7 +6085,7 @@ msgstr[1] ""
 #.
 #: ../src/print-gtk.c:392
 msgid "default:mm"
-msgstr "défaut : mm"
+msgstr "default:mm"
 
 #: ../src/print-gtk.c:449
 msgid "inch"