antool: add fcntl's F_SETFL(0x04) flag to unsupported ones

[ldorau]

This change is 

[marcinslusarz]

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Reviewed 6 of 6 files at r1. Review status: all files reviewed at latest revision, all discussions resolved.

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Comments from Reviewable

[llugin]

Reviewed 6 of 6 files at r1. Review status: all files reviewed at latest revision, all discussions resolved, some commit checks pending.

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Comments from Reviewable

[codecov[bot]]

Codecov Report

Merging #392 into master will increase coverage by 0.04%. The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #392      +/-   ##
==========================================
+ Coverage   76.87%   76.91%   +0.04%     
==========================================
  Files          67       67              
  Lines        8276     8279       +3     
  Branches     1665     1666       +1     
==========================================
+ Hits         6362     6368       +6     
- Misses       1495     1496       +1     
+ Partials      419      415       -4

Flag	Coverage Δ
#ltp_tests	46.43% <ø> (ø)	:arrow_up:
#sqlite_tests	45.15% <ø> (-0.01%)	:arrow_down:
#tests_antool	14.74% <100%> (+0.03%)	:arrow_up:
#tests_posix_multi_threaded	25.04% <ø> (ø)	:arrow_up:
#tests_posix_single_threaded	54.21% <ø> (ø)	:arrow_up:
#tests_preload	44.56% <ø> (-0.1%)	:arrow_down:

Impacted Files	Coverage Δ
src/tools/antool/listsyscalls.py	99.44% <100%> (ø)	:arrow_up:
src/libpmemfile-posix/fcntl.c	66.03% <0%> (-3.78%)	:arrow_down:
src/libpmemfile-posix/inode.c	88.65% <0%> (+0.34%)	:arrow_up:
src/libpmemfile-posix/data.c	94.82% <0%> (+0.39%)	:arrow_up:
src/libpmemfile-posix/dir.c	85.74% <0%> (+0.73%)	:arrow_up:

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