1 files changed, 1 insertions, 0 deletions

diff --git a/src/cm.h b/src/cm.h
index 7f61912afa1..3561b7e480c 100644
--- a/src/cm.h
+++ b/src/cm.h
@@ -162,6 +162,7 @@ extern short ospeed;		/* Output speed (from sg_ospeed) */
 extern int cost;
 extern int evalcost ();
 
+extern void cmcheckmagic ();
 extern int cmputc ();
 extern int cmcostinit ();
 extern int cmgoto ();