bc: Update to version 1.08.1

bc: Update to version 1.08.1

- Update from version 1.07.1 to 1.08.1
- Update of rootfile not required
- Changelog
    1.08.1
	    Fix a formatting botch in doc/bc.1 (which was rendered as blank lines at
	    the top of the page).
    1.08.0
	    Streamlined the build process; should now be better behaved for those
	      doing cross-compilation builds.
	    Made some minor improvements to the documentation.

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>