+ set Class-Path in sdbc_hsqldb.jar/MANIFEST.MF

+ pack the missing org/hsqldb/lib/FileSystemRuntimeException.class

  heh, it is a crazy hack; the source file is under another path
  com/sun/star/sdbcx/comp/hsqldb

Change-Id: I53078269f2298175fee52912d55e8defe01b259b