don't trust strchr/strrchr with bervals

configure

configure.in

include/ac/string.h

include/lber_pvt.h

include/portable.hin

libraries/liblutil/utils.c

servers/slapd/aci.c

servers/slapd/ad.c

servers/slapd/add.c

servers/slapd/back-bdb/cache.c

servers/slapd/back-passwd/search.c

servers/slapd/bconfig.c

servers/slapd/dn.c

servers/slapd/ldapsync.c

servers/slapd/modify.c

servers/slapd/overlays/translucent.c

servers/slapd/overlays/valsort.c

servers/slapd/saslauthz.c

servers/slapd/schema.c

servers/slapd/schema_init.c