Add newlines at end of km lang file and tests

Author: ichernev

lang/km.js

@@ -60,4 +60,4 @@
             doy: 4 // The week that contains Jan 4th is the first week of the year.
         }
     });
-}));
+}));

test/lang/km.js

@@ -447,4 +447,4 @@ exports["lang:km"] = {
 
         test.done();
     }
-};
+};