freetdm: ss7 - bug fix for bug introduced by adding support for RING state

libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.c

@@ -890,6 +890,7 @@ ftdm_status_t ftdm_sangoma_ss7_process_state_change (ftdm_channel_t * ftdmchan)
 		/* clear any call related flags */
 		sngss7_clear_ckt_flag (sngss7_info, FLAG_REMOTE_REL);
 		sngss7_clear_ckt_flag (sngss7_info, FLAG_LOCAL_REL);
+		sngss7_clear_ckt_flag (sngss7_info, FLAG_SENT_ACM);
 
 
 		if (ftdm_test_flag (ftdmchan, FTDM_CHANNEL_OPEN)) {

libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.h

@@ -525,6 +525,7 @@ typedef enum {
 	"GLARE", \
 	"INF_RESUME", \
 	"INF_PAUSED", \
+	"TX_ACM_SENT" \
 	"RELAY_DOWN", \
 	"CKT_RECONFIG"
 FTDM_STR2ENUM_P(ftmod_ss7_ckt_state2flag, ftmod_ss7_ckt_flag2str, sng_ckt_flag_t)