update gsm codec based on codecs from open h323.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@171 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/codec/gsm/src/gsm_encode.c

@@ -1,10 +1,11 @@
 /*
+ * gsm_encode.c
+ *
  * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
  * Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
  * details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
  */
 
-/* $Header$ */
 
 #include "private.h"
 #include "gsm.h"