integrated changed from rage.net glibc.patch

clients/ud/main.c

include/lthread.h

include/portable.h

libraries/liblthread/thread.c

servers/slapd/charray.c

servers/slapd/connection.c

servers/slapd/daemon.c

servers/slapd/main.c

servers/slapd/result.c

servers/slurpd/fm.c

servers/slurpd/main.c

servers/slurpd/replica.c

servers/slurpd/ri.c