to here and cygwin dir.
* Makefile.in (EXEEXT): Drop as unused.
(EXEEXT_FOR_BUILD): Ditto.
(all): Don't build libcygserver.a.
* cygserver_process.h: Moved from cygwin/include/cygwin to here.
* cygserver_transport.h: Ditto.
* cygserver_transport_pipes.h: Ditto.
* cygserver_transport_sockets.h: Ditto.
* ipc.h: Moved to ../cygwin and renamed to cygserver_ipc.h.
* shm.h: Moved to ../cygwin and renamed to cygserver_shm.h.