Revert "disable JunitTest_dbaccess_complex part RowSet"

This reverts commit 217dbf61, the test should
work now reliably after the preceeding "Finalizers must not access UNO objects"
commit.

dbaccess/JunitTest_dbaccess_complex.mk

@@ -27,6 +27,7 @@ $(eval $(call gb_JunitTest_set_defs,dbaccess_complex,\
 $(eval $(call gb_JunitTest_add_classes,dbaccess_complex,\
     complex.dbaccess.Beamer \
     complex.dbaccess.PropertyBag \
+    complex.dbaccess.RowSet \
 ))
 
 $(eval $(call gb_JunitTest_add_sourcefiles,dbaccess_complex,\