[xmldialog_esnwidevine] fix esn checks dash count

Author: CastagnaIT

resources/lib/kodi/ui/xmldialog_esnwidevine.py

@@ -118,7 +118,7 @@ def _esn_checks(self, esn):
             if not esn.startswith(('NFANDROID1-PRV-', 'NFANDROID2-PRV-')) or esn.count('-') < 5:
                 return False
         else:
-            if esn.count('-') != 3 or len(esn) != 40:
+            if esn.count('-') != 2 or len(esn) != 40:
                 return False
         return True