shell32: Avoid crash on WM_WINDOWPOSCHANGING in BrsFolderDlgProc.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=48510Signed-off-by: Roman Pišl <rpisl@seznam.cz> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

shell32: Avoid crash on WM_WINDOWPOSCHANGING in BrsFolderDlgProc.
a1026717 · Roman Pišl · Alexandre Julliard · 9692f48a · a1026717
Commit a1026717 authored Feb 16, 2020 by Roman Pišl Committed by Alexandre Julliard Feb 18, 2020
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brsfolder.c dlls/shell32/brsfolder.c +2 -0

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--- a/dlls/shell32/brsfolder.c
+++ b/dlls/shell32/brsfolder.c
@@ -1109,6 +1109,8 @@ static INT_PTR CALLBACK BrsFolderDlgProc( HWND hWnd, UINT msg, WPARAM wParam,
        return BrsFolder_OnCreate( hWnd, (browse_info*) lParam );

    info = GetPropW( hWnd, szBrowseFolderInfo );
+    if (!info)
+        return FALSE;

    switch (msg)
    {