fix build on systems that do not support daemon()

dhcp-agent/dhcp-agent.spec

@@ -69,6 +69,10 @@ AutoReqProv:  no
     %{l_shtool} subst \
         -e 's;mkdir -p .*\(${dhcplocalstate_clientdir}\);%{l_shtool} mkdir -p $(DESTDIR)\1;' \
         src/Makefile.in
+    #   API was renamed inconsistently
+    %{l_shtool} subst \
+        -e 's;FATAL_ERROR;FATAL_MESSAGE;g' \
+        src/dhcp_daemon.c
 
 %build
     case "%{l_target}" in