server/apreq_parser_header.c:139: error: UNINITIALIZED_VALUE
  The value read from end was never initialized.

server/apreq_parser_header.c:139:12: 
137.     iov = (struct iovec *)arr.elts;
138. 
139.     while (iov <= end) {
                ^
140.         memcpy(dest, iov->iov_base, iov->iov_len);
141.         dest += iov->iov_len;
