Add a ssh_options parameter to allow ssh checking

to consider non-default values (ie: a different port)

Patch by Jay Taylor

config.h

@@ -36,6 +36,7 @@ typedef struct
 	char loglevel[MAXLEN];
 	char logfacility[MAXLEN];
 	char rsync_options[QUERY_STR_LEN];
+	char ssh_options[QUERY_STR_LEN];
 	int  master_response_timeout;
 	int  reconnect_attempts;
 	int  reconnect_intvl;