diff -Naur procps-ng-3.3.9.orig/vmstat.c procps-ng-3.3.9/vmstat.c

--- procps-ng-3.3.9.orig/vmstat.c	2014-02-05 12:55:02.000000000 +0100

+++ procps-ng-3.3.9/vmstat.c	2014-02-05 16:58:35.786000000 +0100

@@ -204,10 +204,10 @@

 	    "%2s %2s %12s %12s %12s %12s %4s %4s %5s %5s %4s %4s %3s %3s %3s %3s %3s";

-	printf(w_option ? wide_header : header);

+	printf("%s", w_option ? wide_header : header);

 	if (t_option) {

-		printf(timestamp_header);

+		printf("%s", timestamp_header);

 	}

 	printf("\n");

@@ -528,10 +528,10 @@

 	const char wide_format[] =

 	    "%5s %9s %9s %11s %11s %9s %9s %11s %11s %7s %7s";

-	printf(w_option ? wide_header : header);

+	printf("%s", w_option ? wide_header : header);

 	if (t_option) {

-		printf(timestamp_header);

+		printf("%s", timestamp_header);

 	}

 	printf("\n");