remove AssimpPCH.h: fixes #534

code/PlyLoader.cpp

@@ -43,11 +43,15 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *  @brief Implementation of the PLY importer class
  */
 
-#include "AssimpPCH.h"
 #ifndef ASSIMP_BUILD_NO_PLY_IMPORTER
 
 // internal headers
-#include "PlyLoader.h"
+#include "PlyLoader.h"
+#include "Macros.h"
+#include <boost/scoped_ptr.hpp>
+#include "../include/assimp/IOSystem.hpp"
+#include "../include/assimp/scene.h"
+
 
 using namespace Assimp;