Log Message:
Update mysql4-client and mysql4-server to version 4.1.20.

Most notably this version includes fixes for
http://secunia.com/advisories/20365/
and
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2006-0903

The fix for the latter was provided in PR pkg/33616 by Cedric
Devillers, cedric dot devillers at script dottt univ-paris7 dot fr,
and is not part of the upstream version 4.1.20.

* Changes since last packaged version (4.1.19)
(see http://dev.mysql.com/doc/refman/4.1/en/news-4-1-20.html for me details):

This is a security fix release for the previous production release
family.  This release includes the security fix described later in
this section and a few other changes to resolve build problems,
relative to the last official MySQL release (4.1.19).

Bugs fixed:
- Security fix: An SQL-injection security hole has been found in
multi-byte encoding processing. The bug was in the server, incorrectly
parsing the string escaped with the mysql_real_escape_string() C
API function. (CVE-2006-2753, Bug#8378)
 This vulnerability was discovered and reported by Josh Berkus
 <josh@postgresql.org> and Tom Lane <tgl@sss.pgh.pa.us> as part of
 the inter-project security collaboration of the OSDB consortium.
- The patch for Bug#8303 broke the fix for Bug#8378 and was undone.
(In string literals with an escape character (\) followed by a
multi-byte character that has a second byte of (\), the literal
was not interpreted correctly. The next byte now is escaped, not
the entire multi-byte character. This means it a strict reverse of
the mysql_real_escape_string() function.)
- The client libraries had not been compiled for position-indpendent
code on Solaris-SPARC and AMD x86_64 platforms. (Bug#13159, Bug#14202,
Bug#18091)
- Running myisampack followed by myisamchk with the --unpack option
would corrupt the auto_increment key. (Bug#12633)