Decreased ZT_BINDER_REFRESH_PERIOD for Synology build

osdep/Binder.hpp

@@ -63,8 +63,12 @@
  *
  * OneService also does this on detected restarts.
  */
-#define ZT_BINDER_REFRESH_PERIOD 30000
-
+#ifdef __SYNOLOGY___
+ 	// Synology devices like to kill routes, check more often and re-add
+	#define ZT_BINDER_REFRESH_PERIOD 10000
+#else
+ 	#define ZT_BINDER_REFRESH_PERIOD 30000
+#endif
 namespace ZeroTier {
 
 /**