message header parser: Fixed handling very long multiline headers. If the header's line fit exactly to input stream's buffer so that the parser couldn't see the following character, it assumed that the header ended.
message header parser: Fixed handling very long multiline headers.
If the header's line fit exactly to input stream's buffer so that the parser
couldn't see the following character, it assumed that the header ended.

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