fixed regression reported at https://fifthelement.inf.ethz.ch/zorba-test/snapshots/2009-01-31-14_25_04/. That is, raise XQST0057 if a schema imports binds a non-empty prefix but an empty target namespace.
fixed regression reported at https://fifthelement.inf.ethz.ch/zorba-test/snapshots/2009-01-31-14_25_04/. That is, raise XQST0057 if a schema imports binds a non-empty prefix but an empty target namespace.

28msec/zorba,bgarrels/zorba,bgarrels/zorba,bgarrels/zorba,cezarfx/zorba,28msec/zorba,cezarfx/zorba,bgarrels/zorba,cezarfx/zorba,28msec/zorba,cezarfx/zorba,cezarfx/zorba,bgarrels/zorba,bgarrels/zorba,bgarrels/zorba,cezarfx/zorba,28msec/zorba,28msec/zorba,cezarfx/zorba,bgarrels/zorba,28msec/zorba,cezarfx/zorba,28msec/zorba,cezarfx/zorba,cezarfx/zorba,28msec/zorba,28msec/zorba