Added full support for fd relocation.

src/libraries/libisc-new/ChangeLog

+1999-04-17  Per Cederqvist  <ceder@lysator.liu.se>
+
+	Added full support for fd relocation.
+	* src/isc_relocate.c (isc_relocate_fd): Implemented for real.
+	* src/isc_event.c (isc_getnextevent): Return
+	ISC_EVENT_LOGIN_UNRELOCATED instead of ISC_EVENT_LOGIN if a
+	file descriptor relocation failed.
+	* src/isc.h (IscEventType): New event: ISC_EVENT_LOGIN_UNRELOCATED.
+
 1999-04-17  Per Cederqvist  <ceder@gratia>
 
 	Added limited support for fd relocation.  Error handling still