Fix hook_faccessat

[GBuella]

This change is 

[krzycz]

Reviewed 2 of 2 files at r1. Review status: all files reviewed at latest revision, all discussions resolved.

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Comments from Reviewable

[GBuella]

One can read about the difference between pmemfile_vfd_ref and pmemfile_vfd_at_ref : https://github.com/pmem/pmemfile/blob/master/src/libpmemfile/vfd_table.c#L223

[codecov[bot]]

Codecov Report

Merging #345 into master will increase coverage by 0.01%. The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #345      +/-   ##
==========================================
+ Coverage   73.66%   73.67%   +0.01%     
==========================================
  Files          64       64              
  Lines        7990     7990              
  Branches     1613     1613              
==========================================
+ Hits         5886     5887       +1     
+ Misses       1588     1587       -1     
  Partials      516      516

Flag	Coverage Δ
#sqlite_tests	45.87% <100%> (+0.26%)	:arrow_up:
#tests_antool	12.21% <0%> (ø)	:arrow_up:
#tests_posix_multi_threaded	25.9% <0%> (-0.03%)	:arrow_down:
#tests_posix_single_threaded	56.04% <0%> (ø)	:arrow_up:
#tests_preload	45.48% <100%> (+0.04%)	:arrow_up:

Impacted Files	Coverage Δ
src/libpmemfile/preload.c	47.11% <100%> (ø)	:arrow_up:
src/libpmemfile-posix/rename.c	92% <0%> (+0.4%)	:arrow_up:

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[marcinslusarz]

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Reviewed 2 of 2 files at r1. Review status: :shipit: all files reviewed at latest revision, all discussions resolved, all commit checks successful.

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Comments from Reviewable

[sarahjelinek]

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Review status: :shipit: all files reviewed at latest revision, all discussions resolved, all commit checks successful.

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Comments from Reviewable