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

vmstat.c

@@ -286,7 +286,7 @@ static int diskpartition_format(const char* partition_name){
     struct disk_stat *disks;
     struct partition_stat *partitions, *current_partition=NULL;
     unsigned long ndisks, j, k, npartitions;
-    const char format[] = "%20u %10llu %10u %10u\n";
+    const char format[] = "%20u %10llu %10u %10llu\n";
 
     fDiskstat=fopen("/proc/diskstats","rb");
     if(!fDiskstat){