user32: Define WM_LBTRACKPOINT if it's not previously defined.
[wine] / dlls / shfolder / shfolder.spec
1 @ stdcall SHGetFolderPathA(long long long long ptr) shell32.SHGetFolderPathA
2 @ stdcall SHGetFolderPathW(long long long long ptr) shell32.SHGetFolderPathW