Function silc_sftp_symlink
SYNOPSIS
void silc_sftp_symlink(SilcSFTP sftp,
const char *linkpath,
const char *targetpath,
SilcSFTPStatusCallback callback,
void *context);
DESCRIPTION
Creates a new symbolic link indicated by the `linkpath' to the target
indicated by the `targetpath'. The `callback' is called to indicate
the status of creation.