Message 84226 - Python tracker

survey of other modules that use O_RDRW
The following include sys/type.h and fcntl.h unconditionally:
  bsdmodule.c, dbmmoudle.c, _fileio.c

posixmodule.c includes them after doing an #ifdef check

mmapmodule.c currently (2.7 trunk) includes sys/types.h with an ifdef
check, but fcntl.h not at all.