w32: Allow Unicode filenames for dotlock
* common/dotlock.c (any8bitchar) [W32]: New. (dotlock_create_w32): Use strconcat and CreateFileW. * common/t-dotlock.c: Source include dotlock.c and modify to allow manual testing on Windows.
(cherry picked from commit b47c355b18d9537ccc3dd3e80cc1825b018ecff7)
- GnuPG-bug-id: T5098
- Signed-off-by: Werner Koch <wk@gnupg.org>