--- dumpheap.c.orig	Mon Apr  3 10:55:33 1995
+++ dumpheap.c	Tue Dec  1 02:08:08 1998
@@ -94,7 +94,7 @@
 	}
 	if ( ! VALID_START_SIZE_FIELD(blk)) {
 		sprintf(buf, "  ** bad size field: tags = 0x%lx, 0x%lx\n",
-			SIZEFIELD(blk), SIZEFIELD(blkend));
+			(unsigned long)SIZEFIELD(blk), (unsigned long)SIZEFIELD(blkend));
 		(void) fputs(buf, fp);
 		return 0;
 	}