Applied patches supplied by Kasimier Buchcik. changed test to account for

* xmlschemas.c, include/libxml/schemasInternals.h,
  include/libxml/xmlerror.h: Applied patches supplied by
  Kasimier Buchcik.
* test/schemas/po1_0.xml, test/schemas/po1_0.xsd:
  changed test to account for above patch.
6 files changed