--- ray/src/util/dctimestep.c	2019/03/01 01:00:03	2.40
+++ ray/src/util/dctimestep.c	2019/08/14 18:20:02	2.41
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: dctimestep.c,v 2.40 2019/03/01 01:00:03 greg Exp $";
+static const char RCSid[] = "$Id: dctimestep.c,v 2.41 2019/08/14 18:20:02 greg Exp $";
 #endif
 /*
  * Compute time-step result using Daylight Coefficient method.
@@ -48,7 +48,7 @@ sum_images(const char *fspec, const CMATRIX *cv, FILE 
 			error(SYSTEM, errmsg);
 		}
 		dt = DTfromHeader;
-		if ((err = cm_getheader(&dt, NULL, NULL, fp)) != NULL)
+		if ((err = cm_getheader(&dt, NULL, NULL, NULL, fp)) != NULL)
 			error(USER, err);
 		if ((dt != DTrgbe) & (dt != DTxyze) ||
 				!fscnresolu(&xr, &yr, fp)) {