[connection] add missing function in wmi query

Signed-off-by: Xiaoli Chan <[email protected]>

Author: Xiaoli Chan

cme/protocols/smb.py

@@ -1248,6 +1248,7 @@ def wmi(self, wmi_query=None, namespace=None):
             iEnumWbemClassObject = iWbemServices.ExecQuery(wmi_query)
         except Exception as e:
             self.logger.fail('Execute WQL error: {}'.format(e))
+            dcom.disconnect()
         else:
             self.logger.info(f"Executing WQL syntax: {wmi_query}")
             while True: