avoid warning if late negotiation is enabled anyway

src/mod/endpoints/mod_sofia/sofia.c

@@ -4813,8 +4813,8 @@ switch_status_t config_sofia(int reload, char *profile_name)
 					}
 				}
 
-				if (sofia_test_flag(profile, TFLAG_ZRTP_PASSTHRU)) {
-					switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "ZRTP Passthru implictly sets inbound-late-negotiation to true.\n"); 
+				if (sofia_test_flag(profile, TFLAG_ZRTP_PASSTHRU) && !sofia_test_flag(profile, TFLAG_LATE_NEGOTIATION)) {
+					switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "ZRTP passthrough implictly enables inbound-late-negotiation\n");
 					sofia_set_flag(profile, TFLAG_LATE_NEGOTIATION);
 				}