Pass empty VNode to `create` hook set on element

snabbdom.js

@@ -71,7 +71,7 @@ function init(modules) {
       for (i = 0; i < cbs.create.length; ++i) cbs.create[i](emptyNode, vnode);
       i = vnode.data.hook; // Reuse variable
       if (!isUndef(i)) {
-        if (i.create) i.create(vnode);
+        if (i.create) i.create(emptyNode, vnode);
         if (i.insert) insertedVnodeQueue.push(vnode);
       }
     } else {

test/core.js

@@ -464,7 +464,7 @@ describe('snabbdom', function() {
     describe('element hooks', function() {
       it('calls `create` listener before inserted into parent but after children', function() {
         var result = [];
-        function cb(vnode) {
+        function cb(empty, vnode) {
           assert(vnode.elm instanceof Element);
           assert.equal(vnode.elm.children.length, 2);
           assert.strictEqual(vnode.elm.parentNode, null);