cygwin: error: ‘PENDIN’ undeclared since 0.11

building 0.11 with cmake:

libssh/src/libssh-0.11.0/src/ttyopts.c:267:26: error: ‘PENDIN’ undeclared (first use in this function)
  267 |     SSH_ENCODE_LOCAL_OPT(PENDIN)
Edited by Christoph Reiter