Fixed one more bug in clip_children.

0cbfb24f · Alexandre Julliard · 887c035b · 0cbfb24f
Commit 0cbfb24f authored Jun 19, 2001 by Alexandre Julliard
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winpos.c dlls/x11drv/winpos.c +1 -1

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--- a/dlls/x11drv/winpos.c
+++ b/dlls/x11drv/winpos.c
@@ -78,7 +78,7 @@ static void clip_children( WND *win, WND *last, HRGN hrgn, int whole_window )
    else x = y = 0;

    rectRgn = CreateRectRgn( 0, 0, 0, 0 );
-    while (ptr != last)
+    while (ptr && ptr != last)
    {
        if (ptr->dwStyle & WS_VISIBLE)
        {