Replaced gcc specific #warning with #pragma message

floorplan/v2/FloorplanLINT.h

@@ -146,7 +146,7 @@ namespace Floorplan {
 					res.push_back(Issue(Type::ERR, floor, "' door is too narrow: " + std::to_string(len_m) + " meter from " + door->from.asString() + " to " + door->to.asString()));
 				}
 
-#warning "TODO!"
+#pragma message ("TODO!")
 //				try {
 //					Ray3D::ModelFactory fac(map);
 //					fac.getDoorAbove(floor, door);