hhctrl.ocx: Fix removing a window from the help list when window creation fails.

dlls/hhctrl.ocx/help.c

@@ -1825,13 +1825,12 @@ void ReleaseHelpViewer(HHInfo *info)
 
 HHInfo *CreateHelpViewer(HHInfo *info, LPCWSTR filename, HWND caller)
 {
-    BOOL add_to_window_list = FALSE;
     int i;
 
     if(!info)
     {
         info = heap_alloc_zero(sizeof(HHInfo));
-        add_to_window_list = TRUE;
+        list_add_tail(&window_list, &info->entry);
     }
 
     /* Set the invalid tab ID (-1) as the default value for all
@@ -1859,9 +1858,6 @@ HHInfo *CreateHelpViewer(HHInfo *info, LPCWSTR filename, HWND caller)
         return NULL;
     }
 
-    if(add_to_window_list)
-        list_add_tail(&window_list, &info->entry);
-
     return info;
 }