Fix generation of IfcOpenHouse.ifc which doesn't have its ground representation. See IfcOpenShell#200

FragColor · aothms · commit 0f993b32f48a · 2017-04-07T12:29:38.000+02:00
diff --git a/src/examples/IfcOpenHouse.cpp b/src/examples/IfcOpenHouse.cpp
@@ -269,6 +269,7 @@ int main() {
 	for (IfcSchema::IfcRepresentation::list::it it = ground_reps->begin(); it != ground_reps->end(); ++it) {
 		(*it)->setContextOfItems(file.getRepresentationContext("Model"));
 	}
+	file.addEntity(ground_representation);
 	file.setSurfaceColour(ground_representation, 0.15, 0.25, 0.05);
 
 	// According to the Ifc2x3 schema an IfcWallStandardCase needs to have an IfcMaterialLayerSet

Original file line number	Diff line number	Diff line change
`@@ -269,6 +269,7 @@ int main() {`
`269`	`269`	`for (IfcSchema::IfcRepresentation::list::it it = ground_reps->begin(); it != ground_reps->end(); ++it) {`
`270`	`270`	`(*it)->setContextOfItems(file.getRepresentationContext("Model"));`
`271`	`271`	`}`
	`272`	`+ file.addEntity(ground_representation);`
`272`	`273`	`file.setSurfaceColour(ground_representation, 0.15, 0.25, 0.05);`
`273`	`274`
`274`	`275`	`// According to the Ifc2x3 schema an IfcWallStandardCase needs to have an IfcMaterialLayerSet`