istream zlib: Change "unexpected EOF" errno from EINVAL to EPIPE. This should give at least a bit nicer logout reasons when imap-zlib is used and connection is closed.
istream zlib: Change "unexpected EOF" errno from EINVAL to EPIPE.
This should give at least a bit nicer logout reasons when imap-zlib is used
and connection is closed.

--HG--
branch : HEAD

dscho/dovecot,dscho/dovecot,dscho/dovecot,dscho/dovecot,dscho/dovecot