Fix another makefile for Redhat 9.0 ssh/kerberos sillyness.

event/linktest/GNUmakefile.in

@@ -35,6 +35,11 @@ LDFLAGS  += -static -L../lib -L${OBJDIR}/lib/libtb
 LIBS     += -levent -lcrypto -lssl
 LIBS     += `elvin-config --libs vin4c`
 ifeq ($(SYSTEM),Linux)
+NEEDKERB := $(shell nm /usr/lib/libssl.a | grep -q krb; echo $$?)
+ifeq ($(NEEDKERB),0)
+ CFLAGS   += `/usr/kerberos/bin/krb5-config --cflags`
+ LIBS     += `/usr/kerberos/bin/krb5-config --libs krb5`
+endif
 LIBS     += -ldl
 LOCAL_BINDIR	= linux
 endif