gcc 4.6 compile fix

git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@9634 d708f5d6-7413-0410-9779-e7cbd77b26cf
2011-05-30 15:36:50 +00:00 · 2011-05-30 15:36:50 +00:00 · 1a5b0a5195
parent c200f7ff9e
commit 1a5b0a5195
1 changed files with 1 additions and 0 deletions
--- a/libs/sigc++2/sigc++/signal_base.h
+++ b/libs/sigc++2/sigc++/signal_base.h
@ -22,6 +22,7 @@
 #define _SIGC_SIGNAL_BASE_H_

 #include <list>
+#include <cstddef>
 #include <sigc++config.h>
 #include <sigc++/type_traits.h>
 #include <sigc++/trackable.h>