core: rename macro name

Author: jcarpent

include/eigenpy/fwd.hpp

@@ -95,10 +95,10 @@
 
 #ifdef EIGENPY_WITH_CXX11_SUPPORT
 #include <memory>
-#define EIGENPY_CLASS_HOLDER_TYPE(T) ::std::shared_ptr<T>
+#define EIGENPY_SHARED_PTR_HOLDER_TYPE(T) ::std::shared_ptr<T>
 #else
 #include <boost/shared_ptr.hpp>
-#define EIGENPY_CLASS_HOLDER_TYPE(T) ::boost::shared_ptr<T>
+#define EIGENPY_SHARED_PTR_HOLDER_TYPE(T) ::boost::shared_ptr<T>
 #endif
 
 namespace eigenpy {

include/eigenpy/quaternion.hpp

@@ -351,7 +351,7 @@ class QuaternionVisitor
  public:
   static void expose() {
 #if BOOST_VERSION / 100 % 1000 < 71
-    typedef EIGENPY_CLASS_HOLDER_TYPE(Quaternion) HolderType;
+    typedef EIGENPY_SHARED_PTR_HOLDER_TYPE(Quaternion) HolderType;
 #else
     typedef ::boost::python::detail::not_specified HolderType;
 #endif