includes.h: Moved HPUX undefine of SEMMSL to where it actually does something.

includes.h: Moved HPUX undefine of SEMMSL to where it actually does something.
ipc.c: Added Luke's debug statement.
locking_slow.c: Added FTRUNCATE_NEEDS_ROOT code for broken systems that
need it (not sure what these are yet).

membuffer.c ntdomain.h proto.h
lib/rpc/include/rpc_dce.h lib/rpc/include/rpc_srvsvc.h
lib/rpc/parse/parse_prs.c lib/rpc/parse/parse_rpc.c
lib/rpc/server/srv_pipe_hnd.c lib/rpc/server/srv_util.c:
   Re-merge of Luke's NTDOM changes 'cos he's a lazy git with
   carpel tunnel syndrome :-).

Jeremy.
(This used to be commit 52e3966fbcf7b5fbdbc7cbe9ac0b453ab5bf3217)