fix indentation

sanitiser/reverse.js

@@ -2,12 +2,12 @@
 var logger = require('../src/logger'),
     _sanitize = require('../sanitiser/_sanitize'),
     sanitiser = {
-		  latlonzoom: require('../sanitiser/_latlonzoom'),
+      latlonzoom: require('../sanitiser/_latlonzoom'),
       size: function( req ) {
         var size = require('../sanitiser/_size');
         return size(req, 1);
       }
-	  };
+    };
 
 var sanitize = function(req, cb) { _sanitize(req, sanitiser, cb); }