FS#7742 by Sofian Babai - add missing voice string in francais.lang

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14661 a1c6a512-1295-4272-9138-f99709370657
diff --git a/docs/CREDITS b/docs/CREDITS
index 380a50d..6377b7e 100644
--- a/docs/CREDITS
+++ b/docs/CREDITS
@@ -327,6 +327,7 @@
 Adilson Vicente Xavier
 Jesse Lockwood
 Jonathan Backer
+Sofian Babai
 The libmad team
 The wavpack team
 The ffmpeg team