Commits
Merging in latest from upstream (HDFFV/hdf5:refs/heads/develop) * commit '5cb9c40847d1706ce82a2b2cda4c6c5596b10994': Fixed typo in vfd.c from 'updated VFD feature flag' checkin. Rework of the POSIX file open permissions and macros to clean up HDopen() calls. Changed the Windows POSIX open() file permissions to be correct according to MSDN. Partial fix for HDFFV-9630.