Fix bus error when no layout in \score

[lilypond.git] / lily / include / paper-book.hh

diff --git a/lily/include/paper-book.hh b/lily/include/paper-book.hh
index 1294dd144cde89dc3c26aadf9391dbd030e0e03d..9087fd7c177c4a4fb1dfebe231e6a2ce54544cc1 100644 (file)
--- a/lily/include/paper-book.hh
+++ b/lily/include/paper-book.hh
@@ -58,10 +58,10 @@ public:
 protected:
   void classic_output_aux (SCM output,
                           int *first_performance_number);
-  void output_aux (SCM output_channel,
-                  bool is_last,
-                  int *first_page_number,
-                  int *first_performance_number);
+  int output_aux (SCM output_channel,
+                 bool is_last,
+                 int *first_page_number,
+                 int *first_performance_number);
 };
 
 DECLARE_UNSMOB (Paper_book, paper_book)