Merge lp:~percona-toolkit-dev/percona-toolkit/pt-stalk-with--collect-strace-output-doesnt-go-to-an-YYYY_MM_DD_HH_mm_ss-strace-file-1417558 into lp:~percona-toolkit-dev/percona-toolkit/release-2.2.14

[Frank Cizmich]

bug prevented pt-stalk (when used with --collect-strace) from saving strace data in correct file.

=== modified file 'bin/pt-stalk'
--- bin/pt-stalk	2015-01-23 10:19:56 +0000
+++ bin/pt-stalk	2015-04-08 19:44:45 +0000
@@ -857,7 +857,7 @@
          have_oprofile="yes"
       fi
    elif [ "$CMD_STRACE" -a "$OPT_COLLECT_STRACE" -a "$mysqld_pid" ]; then
-      $CMD_STRACE -T -s 0 -f -p $mysqld_pid > "${DEST}/$d-strace" &
+      $CMD_STRACE -T -s 0 -f -p $mysqld_pid -o "$d/$p-strace" &
       local strace_pid=$!
    fi