[Backports] New backports for M24

[Yuri N. Sedunov]

dbmail-2.0.7-alt4.M24.1
* Пнд Дек 26 2005 Eugene Prokopiev <enp at altlinux dot ru> 2.0.7-alt4.M24.1
- add pgsql74/pgsql80/pgsql81/mysql40 switcher for building

etersoft-build-utils-0.99.6-alt0.M24.1
* Пнд Дек 26 2005 Vitaly Lipatov <lav at altlinux dot ru> 0.99.6-alt0.M24.1
- backport to ALT Linux M24

unzip-5.52-alt0.M24.1
* Сбт Дек 24 2005 Vitaly Lipatov <lav at altlinux dot ru> 5.52-alt0.M24.1
- backport to ALT Linux M24