Merge topic 'refactor-remove-cmToCStr-function'

3a1e6f5f59 remove cmToCStr function
dffa3f485c cmGlobalGenerator::PrintCompilerAdvice: use cmProp as augment
062432a6bc cmCurlSetCAInfo: use std::string as argument

Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Merge-request: !6544