Missing #includes

...once cppumaker would no longer needlessly emit #includes for optional
interface bases to .hdl/.hpp files.

Change-Id: Icbcfbf64c33be50652c5611a4962111fa8d13c05

package/source/xstor/ohierarchyholder.cxx

@@ -20,6 +20,8 @@
 #include <com/sun/star/uno/Reference.hxx>
 #include <com/sun/star/embed/ElementModes.hpp>
 #include <com/sun/star/embed/XHierarchicalStorageAccess2.hpp>
+#include <com/sun/star/embed/XTransactedObject.hpp>
+#include <com/sun/star/embed/XTransactionBroadcaster.hpp>
 #include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
 
 #include "ohierarchyholder.hxx"