fix includes

code/Importer/IFC/IFCLoader.cpp

@@ -59,7 +59,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "IFCUtil.h"
 
-#include "code/MemoryIOWrapper.h"
+#include <assimp/MemoryIOWrapper.h>
 #include <assimp/scene.h>
 #include <assimp/Importer.hpp>
 #include <assimp/importerdesc.h>

code/Importer/IFC/STEPFileEncoding.cpp

@@ -43,7 +43,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *  @brief STEP character handling, string un-escaping
  */
 #include "STEPFileEncoding.h"
-#include "code/fast_atof.h"
+#include <assimp/fast_atof.h>
 #include <contrib/utf8cpp/source/utf8.h>
 
 #include <memory>

code/Importer/IFC/STEPFileReader.cpp

@@ -46,8 +46,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "STEPFileReader.h"
 #include "STEPFileEncoding.h"
-#include "code/TinyFormatter.h"
-#include "code/fast_atof.h"
+#include <assimp/TinyFormatter.h>
+#include <assimp/fast_atof.h>
 #include <memory>