sftp: Remove internal function from sftp.h

Those are not marked as LIBSSH_API so not part of the public API and the
symbols aren't exported!

Fixes T188

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>

src/sftpserver.c

@@ -32,11 +32,14 @@
 
 #include "libssh/libssh.h"
 #include "libssh/sftp.h"
+#include "libssh/sftp_priv.h"
 #include "libssh/ssh2.h"
 #include "libssh/priv.h"
 #include "libssh/buffer.h"
 #include "libssh/misc.h"
 
+#define SFTP_HANDLES 256
+
 sftp_client_message sftp_get_client_message(sftp_session sftp) {
   ssh_session session = sftp->session;
   sftp_packet packet;