Removed more unused variables.

Partially fixes Bugzilla #3782.

code/server/sv_net_chan.c

@@ -34,7 +34,7 @@ SV_Netchan_Encode
 ==============
 */
 static void SV_Netchan_Encode( client_t *client, msg_t *msg ) {
-	long reliableAcknowledge, i, index;
+	long i, index;
 	byte key, *string;
 	int	srdc, sbit;
 	qboolean soob;
@@ -51,7 +51,7 @@ static void SV_Netchan_Encode( client_t *client, msg_t *msg ) {
 	msg->readcount = 0;
 	msg->oob = qfalse;
 
-	reliableAcknowledge = MSG_ReadLong(msg);
+	/* reliableAcknowledge = */ MSG_ReadLong(msg);
 
 	msg->oob = soob;
 	msg->bit = sbit;