Issue 4156: Define Smob<> constructors

[lilypond.git] / lily / book.cc

diff --git a/lily/book.cc b/lily/book.cc
index a6750d78cbf7ac3e43c17bb0b26c8777341de437..671c26993c2950918d3074692b51341d47bfe2eb 100644 (file)
--- a/lily/book.cc
+++ b/lily/book.cc
@@ -47,6 +47,7 @@ Book::Book ()
 }
 
 Book::Book (Book const &s)
+  : Smob<Book> ()
 {
   paper_ = 0;
   header_ = SCM_EOL;