[mod_mysql_vhost] fix memory leak on config init (#2530)

From: Stefan Bühler <stbuehler@web.de>

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2929 152afb58-edef-0310-8abb-c4023f1b3aa9
[mod_webdav] fix fd leak found with parfait (fixes #2530, thx kukackajiri)

From: Stefan Bühler <stbuehler@web.de>

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2930 152afb58-edef-0310-8abb-c4023f1b3aa9
add two asserts to help parfait (#2530)

From: Stefan Bühler <stbuehler@web.de>

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2931 152afb58-edef-0310-8abb-c4023f1b3aa9
[tests] add cleanup.sh to cmake test runs, reset SLOWREQUEST in request.t

From: Stefan Bühler <stbuehler@web.de>

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2932 152afb58-edef-0310-8abb-c4023f1b3aa9