Use const char, instead of passing func to switch_true

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@10793 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/event_handlers/mod_radius_cdr/mod_radius_cdr.c

@@ -156,7 +156,8 @@ static switch_status_t my_on_routing(switch_core_session_t *session)
 	}
 
 	if(channel) {
-		if(switch_true(switch_channel_get_variable(channel, "disable_radius_start"))) {
+		const char *disable_flag = switch_channel_get_variable(channel, "disable_radius_start");
+		if(switch_true(disable_flag)) {
 			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "[mod_radius_cdr] Not Sending RADIUS Start\n");
 			return SWITCH_STATUS_SUCCESS;
 		}
@@ -394,7 +395,8 @@ static switch_status_t my_on_hangup(switch_core_session_t *session)
 
 
 	if(channel) {
-                if(switch_true(switch_channel_get_variable(channel, "disable_radius_stop"))) {
+		const char *disable_flag = switch_channel_get_variable(channel, "disable_radius_stop");
+		if(switch_true(disable_flag)) {
 			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "[mod_radius_cdr] Not Sending RADIUS Stop\n");
 			return SWITCH_STATUS_SUCCESS;
 		}