Removed AC_USG, since GNU regex 0.12 no longer needs it.

configure.in

-dnl $Id: configure.in,v 1.12 1993/11/22 18:36:13 ceder Exp $
+dnl $Id: configure.in,v 1.13 1994/02/24 11:47:01 ceder Exp $
 dnl Configuration for LysKOM
-AC_REVISION($Revision: 1.12 $)
+AC_REVISION($Revision: 1.13 $)
 AC_INIT(src/server/lyskomd.h)
 AC_PROG_CC
 AC_SUBST(CFLAGS)
@@ -93,8 +93,6 @@ AC_PROGRAMS_CHECK(SED, sed)
 AC_HAVE_HEADERS(string.h memory.h strings.h sys/param.h sys/time.h)
 AC_HAVE_HEADERS(stdarg.h stdlib.h stddef.h locale.h)
 AC_TIME_WITH_SYS_TIME
-dnl AC_USG is used by regex, but is obsolete.
-AC_USG
 AC_ALLOCA
 AC_HAVE_LIBRARY(resolv) dnl Host name lookup.
 AC_HAVE_LIBRARY(authuser) dnl User authentication according to RFC 931.