Closes #15367: Corrected computation of include locations for source builds on Windows. Thanks to Richard Oudkerk for the bug report and patch.
Closes #15367: Corrected computation of include locations for source builds on Windows. Thanks to Richard Oudkerk for the bug report and patch.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator