* gdbserver/Makefile.in (SFILES): Add low-hppabsd.c.
* config/hppabsd.mh (XDEPFILES): Add ser-tcp.o
(GDBSERVER_DEPFILES): Add low-hppabsd.o
* config/hppaosf.mh: LIkewise.
Needed this for the gdbserver framework development. Trying to avoid doing
development work on lynx for the obvious reasons.