Minor compilation issue

[the wharf rat]

	Undefining  DO_NNRP_GETHOSTBYADDR results in an undefined call 
to Address2Name at nnrpd.c:442



*** nnrpd.c	Fri May 12 06:06:52 2000
--- /home/wrat/nnrpd.c	Fri May 12 19:18:46 2000
***************
*** 437,452 ****
--- 437,456 ----
  	if (getsockname(STDIN, (struct sockaddr *)&sin, &length) < 0) {
  	    syslog(L_NOTICE, "%s can't getsockname %m", ClientHost);
  	    Printf("%d Can't figure out where you connected to.  Goodbye\r\n", NNTP_ACCESS_VAL);
  	    ExitWithStats(1, TRUE);
  	}
+ #if     defined(DO_NNRP_GETHOSTBYADDR)
  	if (!Address2Name(&sin.sin_addr, ServerHost, sizeof(ServerHost))) {
  	    strcpy(ServerHost, inet_ntoa(sin.sin_addr));
  	    syslog(L_NOTICE,
  		   "? cant gethostbyaddr %s %m -- using IP address for access",
  		   ClientHost);
  	}
+ #else
+ 	strcpy(ServerHost, inet_ntoa(sin.sin_addr));
+ #endif
      }
  
      strncpy (LogName,ClientHost,sizeof(LogName) - 1) ;
      LogName[sizeof(LogName) - 1] = '\0';