Forward declaration cleanup in header files.

Change-Id: I2bbfa48e49bb8c91c6d3e2bb485ded9e8e67f13b

sc/inc/dpcachetable.hxx

@@ -37,16 +37,6 @@
 #include <vector>
 #include <boost/unordered_set.hpp>
 #include <boost/shared_ptr.hpp>
-#include <com/sun/star/uno/Reference.hxx>
-
-namespace com { namespace sun { namespace star {
-    namespace sdbc {
-        class XRowSet;
-    }
-    namespace sheet {
-        struct DataPilotFieldFilter;
-    }
-}}}
 
 class Date;
 class ScDPItemData;

sc/inc/dpobject.hxx

@@ -53,6 +53,10 @@ namespace com { namespace sun { namespace star {
         class XIndexAccess;
     }
 
+    namespace sdbc {
+        class XRowSet;
+    }
+
     namespace sheet {
         struct DataPilotTablePositionData;
         struct DataPilotTableHeaderData;