Fix the LinkDef to include AGU

LinkDef.h

@@ -4,6 +4,8 @@
 #pragma link off all classes;
 #pragma link off all functions;
 
+#pragma link C++ class TAliceFile;
+#pragma link C++ class TAliceCollection;
 #pragma link C++ class TJAlien;
 #pragma link C++ class TJAlienCollection;
 #pragma link C++ class TJAlienDirectory;

inc/TJAlienCollection.h

@@ -20,18 +20,10 @@
 //                                                                      //
 //////////////////////////////////////////////////////////////////////////
 
-#ifndef ROOT_TGridCollection
 #include "TAliceCollection.h"
-#endif
-#ifndef ROOT_TString
 #include "TString.h"
-#endif
-#ifndef ROOT_TList
 #include "TList.h"
-#endif
-#ifndef ROOT_TFileStager
 #include "TFileStager.h"
-#endif
 
 class TJAlienCollection : public TAliceCollection {
 
@@ -112,8 +104,8 @@ public:
    const char* GetInfoComment() const { return fInfoComment.Data(); }
    Bool_t      Prepare(Bool_t bulk = kFALSE) { return Stage(bulk,"option=0"); }
 
-   static TGridCollection *Open(const char *collectionurl, UInt_t maxentries = 1000000);
    static TGridCollection *OpenQuery(TGridResult * queryresult, Bool_t nogrouping = kFALSE);
+   static TGridCollection *Open(const char *collectionurl, UInt_t maxentries = 1000000);
    static TJAlienCollection *OpenJAliEnCollection(TGridResult * queryresult, Option_t* option = "");
 
    ClassDef(TJAlienCollection, 1) // Manages collection of files on JAliEn