Added some missing checks (from 0.6) for priority management

Rev: src/configure.in:1.262

src/configure.in

-AC_REVISION("$Id: configure.in,v 1.261 1999/01/29 12:25:25 hubbe Exp $")
+AC_REVISION("$Id: configure.in,v 1.262 1999/02/01 03:13:40 per Exp $")
 AC_INIT(interpret.c)
 AC_CONFIG_HEADER(machine.h)
 
@@ -850,7 +850,7 @@ locale.h sys/resource.h sys/select.h sys/mman.h setjmp.h limits.h pthread.h \
 thread.h dlfcn.h dld.h dl.h sys/times.h sched.h sys/procfs.h sys/param.h \
 winsock.h sys/ioct.h sys/socket.h malloc.h netinet/in.h sys/wait.h winbase.h \
 grp.h pwd.h passwd.h group.h winsock2.h signal.h sys/file.h poll.h sys/poll.h \
-socket.h ieeefp.h fp_class.h floatingpoint.h)
+socket.h ieeefp.h fp_class.h floatingpoint.h  sys/priocntl.h sched.h )
 
 AC_CHECK_SIZEOF(char *,4)
 AC_CHECK_SIZEOF(long,4)
@@ -1292,6 +1292,9 @@ AC_CHECK_FUNCS( \
  finite \
  signbit \
  nice \
+ __priocntl \
+ sched_setscheduler \
+ setpriority \
 )
 
 AC_MSG_CHECKING(if the last argument to accept is a size_t *)