Cleanup: pass EqualityOptions as const&

This exposes a useless assignment of export_differing_subtitles,
which I've removed (and altered the comment accordingly).

1 files changed, 1 insertions, 1 deletions

diff --git a/src/dcp.h b/src/dcp.h
index bf9b3aaf..f4b69615 100644
--- a/src/dcp.h
+++ b/src/dcp.h
@@ -124,7 +124,7 @@ public:
 	 *  @param note Functor to handle notes made by the equality operation.
 	 *  @return true if the DCPs are equal according to EqualityOptions, otherwise false.
 	 */
-	bool equals (DCP const & other, EqualityOptions options, NoteHandler note) const;
+	bool equals(DCP const & other, EqualityOptions const& options, NoteHandler note) const;
 
 	void add (std::shared_ptr<CPL> cpl);