Comment 1 for bug 717300

Patch for xb_incremental.sh to reproduce this bug:

=== modified file 'test/t/xb_incremental.sh'
--- test/t/xb_incremental.sh 2010-12-09 09:37:20 +0000
+++ test/t/xb_incremental.sh 2011-02-11 20:02:15 +0000
@@ -60,7 +60,7 @@
 vlog "Preparing backup"

 # Prepare backup
-xtrabackup --datadir=$mysql_datadir --prepare --apply-log-only --target-dir=$topdir/data/full
+innobackupex-1.5.1 --apply-log --redo-only $topdir/data/full
 vlog "Log applied to backup"
 xtrabackup --datadir=$mysql_datadir --prepare --apply-log-only --target-dir=$topdir/data/full --incremental-dir=$topdir/data/delta
 vlog "Delta applied to backup"