[PATCH v2 0/1] MR9339: winhttp/tests: Avoid buffer-overflow in WinHttpCreateUrl_test (ASan).

[Bernhard Übelacker]

The test sets in fill_url_components the dwPasswordLength to 8,
therefore the memcpy copies 8 wide characters.
But before this patch variable empty allocates just one wide character.

[ASan report details](https://gitlab.winehq.org/bernhardu/wine/-/blob/asan-pe_2025-10-18_wine-10.1...)

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  v2: winhttp/tests: Fix setting string lengths in WinHttpCreateUrl_test (ASan).
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/9339