[mod_scgi] fix log typos

From: Stefan Bühler <stbuehler@web.de>

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2902 152afb58-edef-0310-8abb-c4023f1b3aa9
[tests] use list for perl exec to skip the sh wrapper

From: Stefan Bühler <stbuehler@web.de>

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2903 152afb58-edef-0310-8abb-c4023f1b3aa9