clean up some compilation failures.

DetectorDescription/IdDictDetDescrCnv/src/AtlasIDDetDescrCnv.cxx

@@ -18,6 +18,7 @@
 #include "DetDescrCnvSvc/DetDescrAddress.h"
 #include "GaudiKernel/MsgStream.h"
 #include "AthenaKernel/StorableConversions.h"
+#include "StoreGate/StoreGateSvc.h"
 
 #include "IdDictDetDescr/IdDictManager.h"
 #include "AtlasDetDescr/AtlasDetectorID.h"
@@ -121,7 +122,7 @@ AtlasIDDetDescrCnv::createObj(IOpaqueAddress* pAddr, DataObject*& pObj)
     } else {}
  
     // Get the dictionary manager from the detector store
-    const DataHandle<IdDictManager> idDictMgr;
+    const IdDictManager* idDictMgr;
     status = detStore->retrieve(idDictMgr, "IdDict");
     if (status.isFailure()) {
 	log << MSG::FATAL << "Could not get IdDictManager !" << endmsg;

ForwardDetectors/ForwardIdCnv/src/ZdcIDDetDescrCnv.cxx

@@ -16,6 +16,7 @@
 
 #include "DetDescrCnvSvc/DetDescrConverter.h"
 #include "DetDescrCnvSvc/DetDescrAddress.h"
+#include "StoreGate/StoreGateSvc.h"
 #include "GaudiKernel/MsgStream.h"
 
 #include "IdDictDetDescr/IdDictManager.h"
@@ -119,7 +120,7 @@ ZdcIDDetDescrCnv::createObj(IOpaqueAddress* pAddr, DataObject*& pObj)
     } else {}
  
     // Get the dictionary manager from the detector store
-    const DataHandle<IdDictManager> idDictMgr;
+    const IdDictManager* idDictMgr = nullptr;
     status = detStore->retrieve(idDictMgr, "IdDict");
     if (status.isFailure()) {
 	log << MSG::FATAL << "Could not get IdDictManager !" << endmsg;