mshtml: Use heap_alloc_zero for allocating node objects.

dlls/mshtml/htmlanchor.c

@@ -481,7 +481,7 @@ static const NodeImplVtbl HTMLAnchorElementImplVtbl = {
 
 HTMLElement *HTMLAnchorElement_Create(nsIDOMHTMLElement *nselem)
 {
-    HTMLAnchorElement *ret = heap_alloc(sizeof(HTMLAnchorElement));
+    HTMLAnchorElement *ret = heap_alloc_zero(sizeof(HTMLAnchorElement));
 
     HTMLElement_Init(&ret->element);
 

dlls/mshtml/htmlbody.c

@@ -598,7 +598,7 @@ static const NodeImplVtbl HTMLBodyElementImplVtbl = {
 
 HTMLElement *HTMLBodyElement_Create(nsIDOMHTMLElement *nselem)
 {
-    HTMLBodyElement *ret = heap_alloc(sizeof(HTMLBodyElement));
+    HTMLBodyElement *ret = heap_alloc_zero(sizeof(HTMLBodyElement));
     nsresult nsres;
 
     TRACE("(%p)->(%p)\n", ret, nselem);

dlls/mshtml/htmlelem.c

@@ -1336,7 +1336,7 @@ HTMLElement *HTMLElement_Create(nsIDOMNode *nsnode)
         ret = HTMLTextAreaElement_Create(nselem);
 
     if(!ret) {
-        ret = heap_alloc(sizeof(HTMLElement));
+        ret = heap_alloc_zero(sizeof(HTMLElement));
         HTMLElement_Init(ret);
     }
 

dlls/mshtml/htmlinput.c

@@ -1055,7 +1055,7 @@ static const NodeImplVtbl HTMLInputElementImplVtbl = {
 
 HTMLElement *HTMLInputElement_Create(nsIDOMHTMLElement *nselem)
 {
-    HTMLInputElement *ret = heap_alloc(sizeof(HTMLInputElement));
+    HTMLInputElement *ret = heap_alloc_zero(sizeof(HTMLInputElement));
     nsresult nsres;
 
     HTMLElement_Init(&ret->element);

dlls/mshtml/htmlnode.c

@@ -352,14 +352,13 @@ static HTMLDOMNode *create_node(HTMLDocument *doc, nsIDOMNode *nsnode)
         ret = &HTMLElement_Create(nsnode)->node;
         break;
     default:
-        ret = heap_alloc(sizeof(HTMLDOMNode));
+        ret = heap_alloc_zero(sizeof(HTMLDOMNode));
         ret->vtbl = &HTMLDOMNodeImplVtbl;
     }
 
     ret->lpHTMLDOMNodeVtbl = &HTMLDOMNodeVtbl;
     ret->ref = 1;
     ret->doc = doc;
-    ret->event_target = NULL;
 
     nsIDOMNode_AddRef(nsnode);
     ret->nsnode = nsnode;

dlls/mshtml/htmloption.c

@@ -333,7 +333,7 @@ static const NodeImplVtbl HTMLOptionElementImplVtbl = {
 
 HTMLElement *HTMLOptionElement_Create(nsIDOMHTMLElement *nselem)
 {
-    HTMLOptionElement *ret = heap_alloc(sizeof(HTMLOptionElement));
+    HTMLOptionElement *ret = heap_alloc_zero(sizeof(HTMLOptionElement));
     nsresult nsres;
 
     HTMLElement_Init(&ret->element);

dlls/mshtml/htmlscript.c

@@ -288,7 +288,7 @@ static const NodeImplVtbl HTMLScriptElementImplVtbl = {
 
 HTMLElement *HTMLScriptElement_Create(nsIDOMHTMLElement *nselem)
 {
-    HTMLScriptElement *ret = heap_alloc(sizeof(HTMLScriptElement));
+    HTMLScriptElement *ret = heap_alloc_zero(sizeof(HTMLScriptElement));
     nsresult nsres;
 
     HTMLElement_Init(&ret->element);

dlls/mshtml/htmlselect.c

@@ -422,7 +422,7 @@ static const NodeImplVtbl HTMLSelectElementImplVtbl = {
 
 HTMLElement *HTMLSelectElement_Create(nsIDOMHTMLElement *nselem)
 {
-    HTMLSelectElement *ret = heap_alloc(sizeof(HTMLSelectElement));
+    HTMLSelectElement *ret = heap_alloc_zero(sizeof(HTMLSelectElement));
     nsresult nsres;
 
     HTMLElement_Init(&ret->element);

dlls/mshtml/htmltable.c

@@ -546,7 +546,7 @@ static const NodeImplVtbl HTMLTableImplVtbl = {
 
 HTMLElement *HTMLTable_Create(nsIDOMHTMLElement *nselem)
 {
-    HTMLTable *ret = heap_alloc(sizeof(HTMLTable));
+    HTMLTable *ret = heap_alloc_zero(sizeof(HTMLTable));
 
     HTMLElement_Init(&ret->element);
 

dlls/mshtml/htmltextarea.c

@@ -402,7 +402,7 @@ static const NodeImplVtbl HTMLTextAreaElementImplVtbl = {
 
 HTMLElement *HTMLTextAreaElement_Create(nsIDOMHTMLElement *nselem)
 {
-    HTMLTextAreaElement *ret = heap_alloc(sizeof(HTMLTextAreaElement));
+    HTMLTextAreaElement *ret = heap_alloc_zero(sizeof(HTMLTextAreaElement));
     nsresult nsres;
 
     HTMLElement_Init(&ret->element);