X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Ftrain.h;h=e16f726c5bebf78bbb56b091c82f11739cca1108;hb=3e3675f8d86b06cdea7df197dfe8866ffb285aec;hp=f8f7bfb51159778549b02afed6de47fa38f98b23;hpb=4f2b6023dee412373a6a0b13ba4d617ffbb9bb38;p=r2c2.git

diff --git a/source/libr2c2/train.h b/source/libr2c2/train.h
index f8f7bfb..e16f726 100644
--- a/source/libr2c2/train.h
+++ b/source/libr2c2/train.h
@@ -142,7 +142,7 @@ public:
 	bool is_placed() const { return !blocks.empty(); }
 	bool free_block(Block &);
 	void free_noncritical_blocks();
-	int get_entry_to_block(Block &) const;
+	int get_entry_to_block(const Block &) const;
 	float get_reserved_distance() const;
 
 	void tick(const Msp::Time::TimeStamp &, const Msp::Time::TimeDelta &);