if (this.osversion == null) {
if (this.osversion == null)
	public Version matchOSVersion(Version version) {		if (this.osversion == null) {			return Version.emptyVersion;		}		Version result = null;		int size = this.osversion.size();		for (int i = 0; i < size; i++) {			Version ver = (Version) this.osversion.elementAt(i);			int compare = ver.compareTo(version);			if (compare == 0) /* versions are equal; best possible match */{				return ver;			}			if (compare < 0) /* requested version < current OS version */{				if ((result == null) || (ver.compareTo(result) > 0)) {					result = ver; /*					 * remember the highest version less than					 * osversion					 */				}			}		}		return result;	}