--- sysstat-20151012.orig/localstats.c	2015-10-12 21:30:47.000000000 +0200
+++ sysstat-20151012/localstats.c	2016-12-07 17:15:59.523654262 +0100
@@ -224,6 +224,8 @@
 		rewinddir(dskdir);
 		(void) sleep(60);
 	}
+	/* Should not get here, so keep the compiler happy: */
+	return NULL;
 }