Fix build issues on Windows / MSVC

[mriccobene]

[codecov[bot]]

Codecov Report

Merging #790 (758f9d2) into master (b709e6f) will decrease coverage by 0.01%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #790      +/-   ##
==========================================
- Coverage   75.01%   74.99%   -0.02%     
==========================================
  Files         197      197              
  Lines       14379    14379              
  Branches     2285     2285              
==========================================
- Hits        10786    10784       -2     
  Misses       2620     2620              
- Partials      973      975       +2     

Impacted Files	Coverage Δ
core/silkworm/common/util.hpp	75.51% <100.00%> (ø)
node/silkworm/snapshot/bittorrent.cpp	72.86% <100.00%> (ø)
core/silkworm/consensus/pos/engine.cpp	66.66% <0.00%> (-33.34%)	:arrow_down:
node/silkworm/rpc/server/server_context_pool.cpp	61.78% <0.00%> (-0.82%)	:arrow_down:
node/silkworm/rpc/completion_end_point.cpp	90.69% <0.00%> (+2.32%)	:arrow_up:

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.