lighting: Implement review suggestion.

lib/ivis_opengl/culling.cpp

@@ -44,7 +44,7 @@ bool isBBoxInClipSpace(const IntersectionOfHalfSpace& intersectionOfHalfSpace, c
 	// If all points lies in the complement a half space, it can't be part of the intersection
 	auto CheckAllPointsInSpace = [&points](const HalfSpaceCheck& predicate)
 		{
-			return std::all_of(points.begin(), points.end(), [&predicate](auto v) { return !predicate(v); });
+			return std::all_of(points.begin(), points.end(), [&predicate](const auto& v) { return !predicate(v); });
 		};
 
 	for (const auto& predicate : intersectionOfHalfSpace)