add Mustapha Senhaji (Moos) to the credits


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8033 a1c6a512-1295-4272-9138-f99709370657
diff --git a/docs/CREDITS b/docs/CREDITS
index f87354e..0cd8a73 100644
--- a/docs/CREDITS
+++ b/docs/CREDITS
@@ -141,3 +141,4 @@
 Mark Arigo
 Magnus Westerlund
 Jake Owen
+Mustapha Senhaji