Remove unused variable

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@679 a93c3328-9c30-0410-af19-c9cd2b2d52af

libs/openzap/src/ozmod/ozmod_libpri/ozmod_libpri.c

@@ -413,7 +413,6 @@ static __inline__ void state_advance(zap_channel_t *zchan)
 		if (isdn_data) {
 			struct pri_sr *sr;
 			int dp;
-			const char *val;
 
 			if (!(call = pri_new_call(isdn_data->spri.pri))) {
 				zap_set_state_locked(zchan, ZAP_CHANNEL_STATE_RESTART);