Fixed bug found in prev commit

Normals were being flipped  on flipNormals=false in OBJ shapes

Author: Crisspl

src/nbl/ext/MitsubaLoader/CMitsubaLoader.cpp

@@ -1121,7 +1121,7 @@ SContext::shape_ass_type CMitsubaLoader::loadBasicShape(SContext& ctx, uint32_t
 			break;
 		case CElementShape::Type::OBJ:
 			mesh = loadModel(shape->obj.filename);
-			flipNormals = flipNormals==shape->obj.flipNormals;
+			flipNormals = flipNormals!=shape->obj.flipNormals;
 			faceNormals = shape->obj.faceNormals;
 			maxSmoothAngle = shape->obj.maxSmoothAngle;
 			if (mesh && shape->obj.flipTexCoords)