use #pragma once

libs/transformlib.h

@@ -19,8 +19,7 @@
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#if !defined ( INCLUDED_TRANSFORMLIB_H )
-#define INCLUDED_TRANSFORMLIB_H
+#pragma once
 
 #include "generic/constant.h"
 #include "math/matrix.h"
@@ -289,6 +288,3 @@ public:
 		m_skew = c_skew_identity;
 	}
 };
-
-
-#endif