Index: interface/oui.c
--- interface/oui.c.orig
+++ interface/oui.c
@@ -8,9 +8,10 @@ char *getenv();
 static FILE *ouiFp;
 static int uin;
 static int uilev;
+void
 ouiTrace(prim,fmt,a,b,c,d,e,f,g)
 	char *fmt;
-	FILE *prim;
+	char *prim;
 {	char *logf;
 
 	if( ouiFp == NULL ){
