Replaced "../Include/" include from FBXDocumentUtil.h

code/FBXDocumentUtil.h

@@ -44,7 +44,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #ifndef INCLUDED_AI_FBX_DOCUMENT_UTIL_H
 #define INCLUDED_AI_FBX_DOCUMENT_UTIL_H
 
-#include "../include/assimp/defs.h"
+#include <assimp/defs.h>
 #include <string>
 #include <memory>
 #include "FBXDocument.h"