update

src/zdatachannel_service.c

@@ -21,7 +21,7 @@
   } /**< Used vendor specific UUID. */
 
 static zdatachannel_t *p_datachannel;
-static uint32_t        m_mtusize;
+//static uint32_t        m_mtusize;
 
 static bool notification_enable(uint16_t conn_handle, uint16_t cccd_handle) {
   ret_code_t        err_code;