Cycles: Use explicit qualifier for single-argument constructors

Almost in all cases we want such constructors to be explicit, there are
exceptions but only in few places.

1 files changed, 1 insertions, 1 deletions

diff --git a/intern/cycles/render/session.h b/intern/cycles/render/session.h
index 02d97ce9a87..8bff0f9ed15 100644
--- a/intern/cycles/render/session.h
+++ b/intern/cycles/render/session.h
@@ -129,7 +129,7 @@ public:
 	function<void(RenderTile&)> write_render_tile_cb;
 	function<void(RenderTile&)> update_render_tile_cb;
 
-	Session(const SessionParams& params);
+	explicit Session(const SessionParams& params);
 	~Session();
 
 	void start();