mshtml: Abstract BSCallback implementation.

dlls/mshtml/mshtml_private.h

@@ -54,7 +54,7 @@
 typedef struct HTMLDOMNode HTMLDOMNode;
 typedef struct ConnectionPoint ConnectionPoint;
 typedef struct BSCallback BSCallback;
-typedef struct BSCallback nsChannelBSC;
+typedef struct nsChannelBSC nsChannelBSC;
 
 typedef struct {
     const IHTMLWindow2Vtbl *lpHTMLWindow2Vtbl;
@@ -479,7 +479,7 @@ typedef struct task_t {
         TASK_START_BINDING
     } task_id;
 
-    BSCallback *bscallback;
+    nsChannelBSC *bscallback;
 
     struct task_t *next;
 } task_t;

dlls/mshtml/task.c

@@ -215,7 +215,7 @@ static void task_start_binding(HTMLDocument *doc, BSCallback *bscallback)
 {
     if(doc)
         start_binding(doc, bscallback, NULL);
-    IBindStatusCallback_Release(STATUSCLB(bscallback));
+    IUnknown_Release((IUnknown*)bscallback);
 }
 
 static void process_task(task_t *task)
@@ -231,7 +231,7 @@ static void process_task(task_t *task)
         set_progress(task->doc);
         break;
     case TASK_START_BINDING:
-        task_start_binding(task->doc, task->bscallback);
+        task_start_binding(task->doc, (BSCallback*)task->bscallback);
         break;
     default:
         ERR("Wrong task_id %d\n", task->task_id);