lint fix

Author: Alain Dumesny

src/gridstack.js

@@ -75,23 +75,23 @@
         return Utils.sortBy(nodes, function(n) { return (n.x + n.y * column); });
     },
 
-  createStylesheet: function(id, parent) {
-    var style = document.createElement('style');
-    style.setAttribute('type', 'text/css');
-    style.setAttribute('data-gs-style-id', id);
-    if (style.styleSheet) {
-      style.styleSheet.cssText = '';
-    } else {
-      style.appendChild(document.createTextNode(''));
-    }
-    if (!parent) { parent = document.getElementsByTagName('head')[0]; } // default to head
-    parent.insertBefore(style, parent.firstChild);
-    return style.sheet;
-  },
+    createStylesheet: function(id, parent) {
+      var style = document.createElement('style');
+      style.setAttribute('type', 'text/css');
+      style.setAttribute('data-gs-style-id', id);
+      if (style.styleSheet) {
+        style.styleSheet.cssText = '';
+      } else {
+        style.appendChild(document.createTextNode(''));
+      }
+      if (!parent) { parent = document.getElementsByTagName('head')[0]; } // default to head
+      parent.insertBefore(style, parent.firstChild);
+      return style.sheet;
+    },
 
-  removeStylesheet: function(id) {
-    $('STYLE[data-gs-style-id=' + id + ']').remove();
-  },
+    removeStylesheet: function(id) {
+      $('STYLE[data-gs-style-id=' + id + ']').remove();
+    },
 
     insertCSSRule: function(sheet, selector, rules, index) {
       if (typeof sheet.insertRule === 'function') {