[PATCH v4 5/5] win32u: Clear STARTF_USESHOWWINDOW in MessageBoxIndirectW().

[Paul Gofman]

From: Paul Gofman

Fixes a regression introduced by 8d7de32cd646f3d1f118836e643e6146c9837278.
---
 dlls/user32/msgbox.c       | 1 +
 dlls/user32/tests/dialog.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/user32/msgbox.c b/dlls/user32/msgbox.c
index 12eea8e92d7..009f3858c60 100644
--- a/dlls/user32/msgbox.c
+++ b/dlls/user32/msgbox.c
@@ -540,6 +540,7 @@ INT WINAPI MessageBoxIndirectW( LPMSGBOXPARAMSW msgbox )
         EnumThreadWindows(GetCurrentThreadId(), MSGBOX_EnumProc, (LPARAM)&threadWindows);
     }

+    NtUserModifyUserStartupInfoFlags( STARTF_USESHOWWINDOW, 0 );
     ret=DialogBoxIndirectParamW(msgbox->hInstance, tmplate,
                                 msgbox->hwndOwner, MSGBOX_DlgProc, (LPARAM)msgbox);

diff --git a/dlls/user32/tests/dialog.c b/dlls/user32/tests/dialog.c
index a8c366cc7df..20e21bea0bc 100644
--- a/dlls/user32/tests/dialog.c
+++ b/dlls/user32/tests/dialog.c
@@ -2300,7 +2300,7 @@ static void test_message_box_startup_info(void)
     ShowWindow( hwnd, SW_SHOWDEFAULT );
     ret = IsWindowVisible( hwnd );
     /* startup info flags have no effect, while the message box window wasn't even created. */
-    todo_wine ok( ret, "got %d.\n", ret );
+    ok( ret, "got %d.\n", ret );
     DestroyWindow( hwnd );
     pump_messages();