preparing newer grsecurity
v0.1.23-rc1 upgraded grsecurity [ok], [doc]
[doc] testing dpkg version
support link, error messages, check user/pwd
Forcing xz to use crc64
[tag] v0.1.23-rc2 XZ fix
[tag] v0.1.23-rc3 [fix] user/pwd path check
[tag] v0.1.23-rc4 [fix] again path check
[tag] v0.1.23-rc5. build-twice rmdir. Date=mempo
use extra ~/ in build-twice.sh