zlib: Don't expose file descriptor. Others can't do anything with it anyway. Fixes o_stream_send_istream(zlib_istream), which was trying to sendfile() the compressed data.
zlib: Don't expose file descriptor. Others can't do anything with it anyway.
Fixes o_stream_send_istream(zlib_istream), which was trying to sendfile() the
compressed data.

--HG--
branch : HEAD

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