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-rw-r--r--muse2/al/sig.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/muse2/al/sig.h b/muse2/al/sig.h
index 53f060b5..ed18981f 100644
--- a/muse2/al/sig.h
+++ b/muse2/al/sig.h
@@ -21,6 +21,8 @@
#ifndef __SIG_H__
#define __SIG_H__
+#include <map>
+
#include "../muse/xml.h"
class Xml;