Comment 17 for bug 1099742

Thanks, Vladimir!

Thread 2 (Thread 0x7f403c179700 (LWP 4979)):
#0 0x00007f403e99343c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x000000000051ee84 in inline_mysql_cond_wait (sig_ptr=0x0) at /builddir/build/BUILD/mysql-5.5.28/mysql-5.5.28/include/mysql/psi/mysql_thread.h:980
#2 close_connections (sig_ptr=0x0) at /builddir/build/BUILD/mysql-5.5.28/mysql-5.5.28/sql/mysqld.cc:1241
#3 kill_server (sig_ptr=0x0) at /builddir/build/BUILD/mysql-5.5.28/mysql-5.5.28/sql/mysqld.cc:1382
#4 0x000000000051f75e in kill_server_thread (arg=<value optimized out>) at /builddir/build/BUILD/mysql-5.5.28/mysql-5.5.28/sql/mysqld.cc:1413
#5 0x00007f403e98f851 in start_thread () from /lib64/libpthread.so.0
#6 0x00007f403dc1567d in clone () from /lib64/libc.so.6