os.nim patch for Sticky Bit stdlib test suite

/home/pi/nim/nim-0.17.2/tests/testament/tester cat stdlib
PASS: talgorithm.nim
FAIL: tbitops.nim
Test "tests/stdlib/tbitops.nim" in category "stdlib"
Failure: reNimcCrash
Expected:


Gotten:
unhandled exception: parityBits(0b00110010'u8) == 1

FAIL: tbitops2.nim
Test "tests/stdlib/tbitops2.nim" in category "stdlib"
Failure: reNimcCrash
Expected:


Gotten:
unhandled exception: parityBits(0b00110010'u8) == 1

PASS: tbug5382.nim
PASS: tcount.nim
PASS: tcputime.nim
PASS: tcritbits.nim
PASS: techo.nim
PASS: testequivalence.nim
PASS: tformat.nim
PASS: tgetfileinfo.nim
PASS: thashes.nim
PASS: thtmlparser2813.nim
PASS: thtmlparser2814.nim
PASS: thttpclient.nim
PASS: thttpcore.nim
PASS: tio.nim
PASS: tjsonmacro.nim
PASS: tjsontestsuite.nim
PASS: tlists.nim
PASS: tlocks.nim
PASS: tmarshal.nim
PASS: tmath.nim
PASS: tmath2.nim
PASS: tmemfiles1.nim
SKIP: tmemfiles2.nim
PASS: tmemlines.nim
PASS: tmemlinesBuf.nim
PASS: tmemslices.nim
PASS: tmget.nim
PASS: tmitems.nim
PASS: tnativesockets.nim
PASS: tnet.nim
PASS: tnet_ll.nim
PASS: tnetdial.nim
PASS: tnilecho.nim
PASS: tnre.nim
PASS: torderedtable.nim
PASS: tos.nim
PASS: tosprocterminate.nim
PASS: tparscfg.nim
PASS: tparsecfg.nim
PASS: tparseipv6.nim
PASS: tparseuints.nim
PASS: tparsopt.nim
PASS: tpegs.nim
PASS: tpermutations.nim
PASS: tposix.nim
PASS: tquit.nim
PASS: tregex.nim
PASS: treguse.nim
PASS: treloop.nim
PASS: trepr.nim
PASS: trepr2.nim
PASS: trstgen.nim
PASS: tsegfaults.nim
PASS: tsinglylinkedring.nim
PASS: tsortcall.nim
PASS: tsplit.nim
PASS: tsplit2.nim
PASS: tstreams.nim
PASS: tstreams2.nim
PASS: tstring.nim
PASS: tstrset.nim
PASS: tstrtabs.nim
PASS: tstrutil.nim
PASS: ttime.nim
PASS: tunidecode.nim
PASS: tunittest.nim
PASS: twalker.nim
PASS: twchartoutf8.nim
PASS: txmlgen.nim
PASS: txmltree.nim
/home/pi/nim/nim-0.17.2/tests/testament/tester html