mozilla's install hanging on amd64

[Mikhail Teterin]

> Does this happen without the calendar enabled?  Perhaps there is a bug
> in that code.  I'm not so sure the calendar code has been as scrutinized
> on amd64.

It does, actually, as I just found out after yet another rebuild.
It looks like this:

[...]
for pcfile in mozilla-gtkmozembed mozilla-js mozilla-xpcom  mozilla-nspr mozilla-nss mozilla-plugin; do  /usr/bin/sed -i.bak -e 's|/var/usr/ports/www/mozilla/work/fake|/opt|g'  /var/usr/ports/www/mozilla/work/mozilla/build/unix/${pcfile}.pc;  install  -o root -g wheel -m 444 /var/usr/ports/www/mozilla/work/mozilla/build/unix/${pcfile}.pc  /opt/libdata/pkgconfig/${pcfile}.pc ;  done
/bin/rm -fr /opt/include/mozilla
/bin/mkdir -p /opt/include/mozilla
/bin/chmod 755 /opt/include/mozilla
cd /var/usr/ports/www/mozilla/work/fake/include/mozilla && /usr/bin/find . |  /usr/bin/cpio -pdm -L -R root:wheel /opt/include/mozilla
33517 blocks
/bin/mkdir -p /opt/share/gnome/applications
install  -o root -g wheel -m 444 /var/usr/ports/www/mozilla/work/mozilla.desktop  /opt/share/gnome/applications
===> Building Chrome's registry...


regxpcom has already accumulated 40 CPU minutes...

	-mi