fix

coreapi/proxy.c

@@ -637,6 +637,9 @@ static void linphone_proxy_config_register(LinphoneProxyConfig *cfg){
 	} else {
 		/* unregister if registered*/
 		_linphone_proxy_config_unregister(cfg);
+		if (cfg->state == LinphoneRegistrationProgress) {
+			linphone_proxy_config_set_state(cfg,LinphoneRegistrationCleared,"Registration cleared");
+		}
 	}
 }