Fix regression in BusyBox 1.18.0 where the NO_USR config option no longer
bites for "make install". The busybox.mkll script stumbles without these
lines and as a result *always* creates /usr/ symlinks.
Signed-off-by: Joachim Nilsson <troglobit@vmlinux.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>