Export missing function - couch_httpd:send_error/2
Export missing function - couch_httpd:send_error/2

Signed-off-by: Peter Lemenkov <2f981fc861bda8c748898150c942841af4296212@gmail.com>

cloudant/couchdb-couch,alanning/couchdb-couch,alanning/couchdb-couch,smithsz/couchdb-couch,alanning/couchdb-couch,KlausTrainer/couchdb-couch,smithsz/couchdb-couch,fkaempfer/couchdb,KlausTrainer/couchdb-couch,fkaempfer/couchdb,fkaempfer/couchdb,ngpestelos/couchdb-couch,cloudant/couchdb-couch,smithsz/couchdb-couch,apache/couchdb-couch,fkaempfer/couchdb,apache/couchdb-couch,ngpestelos/couchdb-couch,fkaempfer/couchdb,KlausTrainer/couchdb-couch,apache/couchdb-couch,fkaempfer/couchdb,cloudant/couchdb-couch,ngpestelos/couchdb-couch