FS-7586 Silence the warning when the value is set to 1 in the configs

src/mod/applications/mod_conference/mod_conference.c

@@ -12832,7 +12832,9 @@ static conference_obj_t *conference_new(char *name, conf_xml_cfg_t cfg, switch_c
 			} else if (!strcasecmp(var, "auto-record") && !zstr(val)) {
 				auto_record = val;
 			} else if (!strcasecmp(var, "min-required-recording-participants") && !zstr(val)) {
-				if (!strcmp(val, "2")) {
+				if (!strcmp(val, "1")) {
+					min_recording_participants = 1;
+				} else if (!strcmp(val, "2")) {
 					min_recording_participants = 2;
 				} else {
 					switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "min-required-recording-participants is invalid, leaving set to %d\n", min_recording_participants);