Fix translate maintenance_schedule.js
diff --git a/support/doctype/maintenance_schedule/maintenance_schedule.js b/support/doctype/maintenance_schedule/maintenance_schedule.js
index 6b69343..bdcdd3d 100644
--- a/support/doctype/maintenance_schedule/maintenance_schedule.js
+++ b/support/doctype/maintenance_schedule/maintenance_schedule.js
@@ -91,7 +91,7 @@
     return get_server_fields('get_no_of_visits',docstring(arg),'item_maintenance_detail',doc, cdt, cdn, 1);
   }
   else{
-    msgprint("Please enter Start Date and End Date");
+    msgprint(wn._("Please enter Start Date and End Date"));
   }
 }
 
@@ -103,7 +103,7 @@
       }
     );
   } else {
-    alert("Please save the document before generating maintenance schedule");
+    alert(wn._("Please save the document before generating maintenance schedule"));
   }  
 }