hhctrl.ocx: Always set WS_OVERLAPPEDWINDOW.
diff --git a/dlls/hhctrl.ocx/help.c b/dlls/hhctrl.ocx/help.c
index 6a694a9..ff70338 100644
--- a/dlls/hhctrl.ocx/help.c
+++ b/dlls/hhctrl.ocx/help.c
@@ -825,7 +825,7 @@
 
     /* Read in window parameters if available */
     if (info->WinType.fsValidMembers & HHWIN_PARAM_STYLES)
-        dwStyles = info->WinType.dwStyles;
+        dwStyles = info->WinType.dwStyles | WS_OVERLAPPEDWINDOW;
     else
         dwStyles = WS_OVERLAPPEDWINDOW | WS_VISIBLE |
                    WS_CLIPSIBLINGS | WS_CLIPCHILDREN;