Add missing ssh2_* signatures

Author: VincentLanglet

resources/functionMap.php

@@ -11500,13 +11500,17 @@
 'ssh2_exec' => ['resource|false', 'session'=>'resource', 'command'=>'string', 'pty='=>'string', 'env='=>'array', 'width='=>'int', 'height='=>'int', 'width_height_type='=>'int'],
 'ssh2_fetch_stream' => ['resource|false', 'channel'=>'resource', 'streamid'=>'int'],
 'ssh2_fingerprint' => ['string|false', 'session'=>'resource', 'flags='=>'int'],
+'ssh2_forward_accept' => ['resource|false', 'listener'=>'resource'],
+'ssh2_forward_listen' => ['resource|false', 'session'=>'resource', 'port'=>'int', 'host='=>'string', 'max_connections='=>'int'],
 'ssh2_methods_negotiated' => ['array|false', 'session'=>'resource'],
+'ssh2_poll' => ['int', '&w_desc'=>'array', 'timeout='=>'int'],
 'ssh2_publickey_add' => ['bool', 'pkey'=>'resource', 'algoname'=>'string', 'blob'=>'string', 'overwrite='=>'bool', 'attributes='=>'array'],
 'ssh2_publickey_init' => ['resource|false', 'session'=>'resource'],
 'ssh2_publickey_list' => ['array|false', 'pkey'=>'resource'],
 'ssh2_publickey_remove' => ['bool', 'pkey'=>'resource', 'algoname'=>'string', 'blob'=>'string'],
 'ssh2_scp_recv' => ['bool', 'session'=>'resource', 'remote_file'=>'string', 'local_file'=>'string'],
 'ssh2_scp_send' => ['bool', 'session'=>'resource', 'local_file'=>'string', 'remote_file'=>'string', 'create_mode='=>'int'],
+'ssh2_send_eof' => ['bool', 'channel'=>'resource'],
 'ssh2_sftp' => ['resource|false', 'session'=>'resource'],
 'ssh2_sftp_chmod' => ['bool', 'sftp'=>'resource', 'filename'=>'string', 'mode'=>'int'],
 'ssh2_sftp_lstat' => ['array|false', 'sftp'=>'resource', 'path'=>'string'],