to mysql-5.5.16-release.

Original revision:
# revision-id: georgi.kodinov@oracle.com-20110812135004-3z3yjy7krf374clu
# parent: georgi.kodinov@oracle.com-20110812112536-dmh9i67tm8pqvz1a
# committer: Georgi Kodinov <Georgi.Kodinov@Oracle.com>
# branch nick: B12777649-5.5
# timestamp: Fri 2011-08-12 16:50:04 +0300
# message:
#   Bug #12777649: "OS THREAD ID" REMOVED 
#   
#   Pushed Calvin's patch.