vmstat -p <part> works and updated version to 3.3.1

configure.ac now set to 3.3.1
vmstat -p has not worked for a long time, this applies Debian patch
vmstat_part_format, the details:

Author: Daniel Novotny
Description: The contents of /proc/diskstats have changed since 2.6.25
 Changed PATH_MAX to 32 because its missing on hurd
Bug-Redhat: https://bugzilla.redhat.com/show_bug.cgi?id=485243
Bug-Debian: http://bugs.debian.org/588677
Last-Update: 2010-11-17

configure.ac

@@ -4,7 +4,7 @@
 AC_PREREQ([2.64])
 AC_CONFIG_MACRO_DIR([m4])
 AC_INIT([procps-ng],
-	[3.3.0],
+	[3.3.1],
 	[procps@freelists.org],,[http://gitorious.org/procps])
 AM_INIT_AUTOMAKE
 AC_CONFIG_SRCDIR([top.c])