Fix warnings and segfaults on Win32 builds <2.2.x>

[mergify]

This is an automatic backport of pull request #1982 done by Mergify.
Cherry-pick of d5f3559 has failed:

On branch mergify/bp/2.2.x/pr-1982
Your branch is up to date with 'origin/2.2.x'.

You are currently cherry-picking commit d5f3559fb.
  (fix conflicts and run "git cherry-pick --continue")
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  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   include/fastdds/dds/core/policy/ParameterTypes.hpp
	modified:   src/cpp/rtps/DataSharing/DataSharingListener.cpp
	modified:   src/cpp/rtps/DataSharing/DataSharingNotification.hpp
	modified:   src/cpp/rtps/DataSharing/DataSharingPayloadPool.hpp
	modified:   src/cpp/rtps/builtin/data/ParticipantProxyData.cpp

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   src/cpp/rtps/builtin/discovery/participant/PDP.cpp

To fix up this pull request, you can check it out locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

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