Add missing API pthread_attr_setschedpolicy and pthread_attr_getschedpolicy


git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6370 4407c894-4637-0410-b4f5-ada5f102cad1
winstorecompat: *QueueTimer replacements (deactivated for now)

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6371 4407c894-4637-0410-b4f5-ada5f102cad1
More Windows Store forbidden APIs

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6372 4407c894-4637-0410-b4f5-ada5f102cad1
Keep CreateSemaphore(W) prototype on Windows Store builds, if WINSTORECOMPAT is defined

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6373 4407c894-4637-0410-b4f5-ada5f102cad1
CoCreateInstance / CoCreateInstanceEx: force inlining on Windows Store

Avoid multiple symbol definitions when linking several .o together

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6374 4407c894-4637-0410-b4f5-ada5f102cad1
winstorecompat: update Makefile.in after r6371

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6375 4407c894-4637-0410-b4f5-ada5f102cad1
gai_strerrorA: reimplement without FormatMessageA

(forbidden in Windows Store)

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6376 4407c894-4637-0410-b4f5-ada5f102cad1