Fixes for windows build.

include/osg/CopyOp

@@ -5,6 +5,8 @@
 #ifndef OSG_COPYOP
 #define OSG_COPYOP 1
 
+#include <osg/Export>
+
 namespace osg {
 
 class Referenced;
@@ -18,7 +20,7 @@ class Drawable;
 
 /** Copy Op(erator) used to control the whether shallow or deep copy is used
   * during copy construction and clone operation.*/
-class CopyOp
+class SG_EXPORT CopyOp
 {
 
     public:

include/osg/Drawable

@@ -198,7 +198,6 @@ class SG_EXPORT Drawable : public Object
 
     protected:
 
-        Drawable(const Drawable&):Object() {}
         Drawable& operator = (const Drawable&) { return *this;}
 
         virtual ~Drawable();

include/osg/GeoSet

@@ -336,7 +336,6 @@ class SG_EXPORT GeoSet : public Drawable
 
     protected:
 
-        GeoSet(const GeoSet&):Drawable() {}
         GeoSet& operator = (const GeoSet&) { return *this;}
 
         virtual ~GeoSet();

include/osg/Image

@@ -86,8 +86,7 @@ class SG_EXPORT Image : public Object
 
         virtual ~Image();
 
-//	Image(const Image&) {}
-//        Image& operator = (const Image& image) {}
+        Image& operator = (const Image& image) {}
 
         std::string _fileName;
         int _s, _t, _r;