Fix incorrect variable name in the ITL

fixes #9253

itl/command-plugins-windows.conf

@@ -131,8 +131,8 @@ object CheckCommand "perfmon-windows" {
 		}
 	}
 	
-	vars.performance-wait = "1000"
-	vars.fmt-countertype = "double"
+	vars.performance_win_wait = 1000
+	vars.perfmon_win_type = "double"
 	//The default values
 }
 
@@ -318,4 +318,4 @@ object CheckCommand "users-windows" {
 			description = "Critical threshold"
 		}
 	}
-}
+}