Revert r1845377 as it has caused a lot of trouble for end users.

Plaintext password storage will again be enabled by default. It can still be 
disabled at configure time.

* configure.ac: Invert the default of the plaintext-password-storage
   option and update its help text.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1909351 13f79535-47bb-0310-9956-ffa450edef68
1 file changed