with NetBSD and OpenBSD. glob(3) will now return GLOB_NOSPACE with
errno set to 0 instead of GLOB_LIMIT when we match more than `gl_matchc'
patterns. GLOB_MAXPATH has been left as an alias of GLOB_LIMIT to
maintain backwards compatibility.
Reviewed by: sheldonh, assar
Obtained from: NetBSD/OpenBSD
number of paths which glob(3) will return. Remove the hardcoded limit
from the last commit, which restores the previous unbounded behavior.
Document the new flag in the manual page.