Add Mehmet Catalbas to the credits for FS#8407.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16015 a1c6a512-1295-4272-9138-f99709370657
diff --git a/docs/CREDITS b/docs/CREDITS
index 7243765..b41acad 100644
--- a/docs/CREDITS
+++ b/docs/CREDITS
@@ -359,6 +359,7 @@
 Robert Menes
 Henri Valta
 Melba Sitjar
+Mehmet Ş. Çatalbaş
 
 The libmad team
 The wavpack team