https://bugs.winehq.org/show_bug.cgi?id=52645
--- Comment #9 from Kevin F. Quinn co@kevquinn.com --- Quick update from my end, fwiw, after I eventualy got wine building.
The application does set the PMSF_DONT_SKIP_SPACES flag, but only supplies mask (pszSpec) strings that don't have spaces anyway so continuing irrespective of the flags works well enough.
(the app now falls over another missing API, but now I have the build environment set up I'll pursue that and whatever else is hiding behind it myself. At least until I get stuck...)