configure.in (i[34567]86-*-isc*): Add t-i386bare to suppress libgcc1.

Regenerate:

        * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
        to suppress libgcc1.
        (i[34567]86-*-sco3.2v5*) Likewise.
        (i[34567]86-*-sco3.2v4*) Likewise.
        (i[34567]86-*-sco) Likewise.
        (i[34567]86-*-solaris2) Likewise.
        (i[34567]86-*-sysv5*) Likewise.
        (i[34567]86-*-sysv4*) Likewise.
        (i[34567]86-*-udk*) Likewise.
        (i[34567]86-*-sysv*) Likewise.

From-SVN: r33654