Implemented the following functions with a bit of a hack:
PowerGetActiveScheme
PowerSetActiveScheme
PowerEnumerate
PowerReadFriendlyName
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v2: powrprof.dll: fix CI compile issues
https://gitlab.winehq.org/wine/wine/-/merge_requests/7667
..and improve performance and precision of parse_numeric_literal() for doubles, and replace artificial (INT_MAX/100) border conditions with the true +/- 308
10^308 is the largest representable power of 10 in double
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https://gitlab.winehq.org/wine/wine/-/merge_requests/7591