* configure.in: Tix typo.

	* configure.in:  Tix typo.
        * ecoff.c:  If compiling for DEC3100, use trad_unix core files,
        else dummy out the core file support.
        * trad-core.c (trad_unix_core_file_p):  If HOST_DATA_START_ADDR is
        specified, use it to locate the data section.
        * coffcode.h (coff_write_symbols):  Declare buffer as bfd_bytes
        rather than as chars (lint).