fix broken eslint tests

Author: dawsbot

lib/data-structures/chapter-1/1_4.js

@@ -6,7 +6,7 @@ module.exports = Strings1_4 = (function() {
     // @retuns {Boolean} - true if a permutation of palindrome exists, false if it does not
     palindromePermutation: function(str){
       var distinct = 0;
-      var s_array  = Array.apply(null, Array(256)).map(Number.prototype.valueOf, 0);
+      var s_array = Array.apply(null, Array(256)).map(Number.prototype.valueOf, 0);
       str = str.toLowerCase();
       for(var i = 0; i < str.length; i++){
         if(str[i] == ' '){
@@ -21,5 +21,5 @@ module.exports = Strings1_4 = (function() {
       }
       return (distinct < 2);
     }
-  }
+  };
 }());