add rescue for ::Rex::Proto::SMB::Exceptions::LoginError

Author: zerosum0x0

modules/auxiliary/scanner/smb/smb_ms17_010.rb

@@ -64,6 +64,8 @@ def run_host(ip)
     rescue ::Interrupt
       print_status("Exiting on interrupt.")
       raise $!
+    rescue ::Rex::Proto::SMB::Exceptions::LoginError
+      print_error("An SMB Login Error occurred while connecting to the IPC$ tree.")
     rescue ::Exception => e
       print_error("#{e.class}: #{e.message}")
     ensure