Updated Spanish translation by Chelo Sacristán.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16281 a1c6a512-1295-4272-9138-f99709370657
diff --git a/docs/CREDITS b/docs/CREDITS
index 955b811..b7f83f4 100644
--- a/docs/CREDITS
+++ b/docs/CREDITS
@@ -369,6 +369,7 @@
 Vuong Minh Hiep
 Mateusz Kubica
 Frank Gevaerts
+Chelo Sacristán
 
 The libmad team
 The wavpack team