* (bug #3729) server dependencies on client.h (Ben Millwood)

* (bug #3731) BUILD_MISSIONPACK flag in Makefile (Gabriel Schnoering
  <gabriel.schnoering@gmail.com>)
* (bug #3756) Q3VM crashes on unaligned block copy with SIGBUS (Patrick Baggett
  <baggett.patrick@figglesoftware.com>) and...
* (bug #3755) IOQuake3 shouldn't use GCC-specific __FUNCTION__

code/qcommon/msg.c

@@ -992,8 +992,6 @@ If the delta removes the entity, entityState_t->number will be set to MAX_GENTIT
 Can go from either a baseline or a previous packet_entity
 ==================
 */
-extern	cvar_t	*cl_shownet;
-
 void MSG_ReadDeltaEntity( msg_t *msg, entityState_t *from, entityState_t *to, 
 						 int number) {
 	int			i, lc;