[FIX] If attempt to set MySQL SSL connection is PHP has openssl extension loaded


git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47374 b456876b-0849-0410-b77d-98878d47e9d5
[ENH] Only display the MySQL SSL section in the admin security panel, when the mysql server has SSL activated

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47375 b456876b-0849-0410-b77d-98878d47e9d5