FtpRmdir - Remove a directory from the remote file system.
#include <ftplib.h> int FtpRmdir(const char *path, netbuf *nControl);
path A string containing the name of a remote directory. nControl A handle returned by FtpConnect().
FtpRmdir() sends a remove directory request to the remote server.
Returns 1 if successful or 0 on error.