fix: forgot to declare variable before using

Signed-off-by: Lin Yang <[email protected]>

Author: reaver-flomesh

charts/erie-canal/components/scripts.tar.gz

@@ -67,6 +67,7 @@
     _serviceCertChain: null,
     _servicePrivateKey: null,
     _connectTLS: null,
+    _mTLS: null,
 
     _serviceCache: null,
     _targetCache: null,
@@ -133,7 +134,7 @@
         _mTLS = _connectTLS && Boolean(_serviceCertChain) && Boolean(_servicePrivateKey),
 
         console.log("[balancer] _sourceIP", _sourceIP),
-        console.log("[balancer] _connectTLS", _connectTLS, "_mTLS", _mTLS),
+        console.log("[balancer] _connectTLS", _connectTLS),
         console.log("[balancer] _target.id", (_target || {id : ''}).id)
       )
     )