Make sysvinit RDEPEND on libgcc, to make newer OE revisions work. (For some reason OE no longer installs /lib/libgcc_s.so.1 as-is, but this dependency makes it install it again. sysvinit is just one of the packages whose binary requires libgcc_s, but it's the only one that we already have modifications for.) Remove the specific revision in the Makefile.
Also switch around "mtn pull" and "mtn checkout": it makes more sense to check out from a local database after that database is updated than before.
