[Dovecot] v1.0.7 released

http://dovecot.org/releases/1.0/dovecot-1.0.7.tar.gz http://dovecot.org/releases/1.0/dovecot-1.0.7.tar.gz.sig

Almost missed this one. I had already fixed it in v1.1 tree, but forgot to fix in v1.0 tree.

- deliver: v1.0.6's "From " line ignoring could have written to a
  bad location in stack, possibly causing problems.