and do some other isc mem cleanups. (cherry picked from commit24f2cc7d06) Conflicts: CHANGES (cherry picked from commit26406f9997) Conflicts: lib/isc/mem.c
and do some other isc mem cleanups. (cherry picked from commit24f2cc7d06) Conflicts: CHANGES (cherry picked from commit26406f9997) Conflicts: lib/isc/mem.c