posix: changed ifndef and include order in blocks.h

[igchor]

This change is 

[codecov[bot]]

Codecov Report

Merging #428 into master will decrease coverage by 0.07%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #428      +/-   ##
==========================================
- Coverage   76.17%   76.09%   -0.08%     
==========================================
  Files          70       70              
  Lines        8805     8805              
  Branches     1779     1779              
==========================================
- Hits         6707     6700       -7     
- Misses       1606     1610       +4     
- Partials      492      495       +3

Flag	Coverage Δ
#ltp_tests	44.95% <ø> (-0.05%)	:arrow_down:
#sqlite_tests	44.96% <ø> (ø)	:arrow_up:
#tests_antool	15.06% <ø> (ø)	:arrow_up:
#tests_posix_multi_threaded	25.48% <ø> (-0.06%)	:arrow_down:
#tests_posix_single_threaded	53.45% <ø> (ø)	:arrow_up:
#tests_preload	44.59% <ø> (+0.04%)	:arrow_up:

Impacted Files	Coverage Δ
src/libpmemfile-posix/blocks.h	100% <ø> (ø)	:arrow_up:
src/libpmemfile-posix/fcntl.c	62.96% <0%> (-2.47%)	:arrow_down:
src/libpmemfile-posix/rename.c	90.32% <0%> (-0.81%)	:arrow_down:
src/libpmemfile-posix/data.c	94.11% <0%> (-0.79%)	:arrow_down:
src/libpmemfile-posix/inode.c	88.74% <0%> (-0.34%)	:arrow_down:
src/libpmemfile-posix/dir.c	85.53% <0%> (-0.25%)	:arrow_down:
src/libpmemfile-posix/write.c	84.97% <0%> (+0.46%)	:arrow_up:

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[krzycz]

Reviewed 1 of 1 files at r1. Review status: all files reviewed at latest revision, all discussions resolved.

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Comments from Reviewable

[marcinslusarz]

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Reviewed 1 of 1 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