Fix issue #649 in fax2ps caused by regression in commit...
Fix issue #649 (closed) in fax2ps caused by regression in commit 28c38d64 where TIFFTAG_FAXFILLFUNC is being used rather than an output buffer.
Fix issue #649 (closed) in fax2ps caused by regression in commit 28c38d64 where TIFFTAG_FAXFILLFUNC is being used rather than an output buffer.