(libssh2_poll_channel_write, libssh2_poll_listener_queued): Mark as static.  Remove unneeded prototypes.  Break Solaris 10 builds according to "Heiko Jansen" <jansen@hbz-nrw.de>.
(libssh2_poll_channel_write, libssh2_poll_listener_queued): Mark as
static.  Remove unneeded prototypes.  Break Solaris 10 builds
according to "Heiko Jansen" <jansen@hbz-nrw.de>.

libssh2/libssh2,libssh2/libssh2,libssh2/libssh2,libssh2/libssh2