X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fsource-file.hh;h=6686389289e3cc04909d7aff588a38a719115cc7;hb=ec7f5aca60d3df0c22a51bd0c5b0274e0e5994f3;hp=223725f462f310b4204627fecf8a4d63457f1156;hpb=d2762a4f1add2bb04d6fc34d3c7ae03eeb7d500f;p=lilypond.git

diff --git a/lily/include/source-file.hh b/lily/include/source-file.hh
index 223725f462..6686389289 100644
--- a/lily/include/source-file.hh
+++ b/lily/include/source-file.hh
@@ -38,8 +38,8 @@ using namespace std;
 class Source_file : public Smob<Source_file>
 {
 public:
-  int print_smob (SCM, scm_print_state *);
-  SCM mark_smob ();
+  int print_smob (SCM, scm_print_state *) const;
+  SCM mark_smob () const;
   static const char type_p_name_[];
   virtual ~Source_file ();
 private: