Convert HTASK to void* (based on a patch by Michael Stefaniuc).

diff --git a/loader/task.c b/loader/task.c
index dce3a75..6e5b247 100644
--- a/loader/task.c
+++ b/loader/task.c
@@ -1577,19 +1577,10 @@
  */
 DWORD WINAPI GetAppCompatFlags16( HTASK16 hTask )
 {
-    return GetAppCompatFlags( hTask );
-}
-
-
-/***********************************************************************
- *           GetAppCompatFlags   (USER32.@)
- */
-DWORD WINAPI GetAppCompatFlags( HTASK hTask )
-{
     TDB *pTask;
 
     if (!hTask) hTask = GetCurrentTask();
-    if (!(pTask=TASK_GetPtr( (HTASK16)hTask ))) return 0;
+    if (!(pTask=TASK_GetPtr( hTask ))) return 0;
     if (GlobalSize16(hTask) < sizeof(TDB)) return 0;
     return pTask->compat_flags;
 }