fix linking problem with boost

[lyx.git] / src / box.h

diff --git a/src/box.h b/src/box.h
index 1d083663bacdcdfc89494063ee75f54cb28b5b79..6ba0997205e7893af0c5b290059b917a7dd0c857 100644 (file)
--- a/src/box.h
+++ b/src/box.h
@@ -36,8 +36,8 @@ struct Box {
         */
        bool contained(int x, int y);
 };
- 
 
-std::ostream & operator<<(std::ostream &, Box &);
- 
+
+std::ostream & operator<<(std::ostream &, Box const &);
+
 #endif // BOX_H