Crash with sysbench linked against MySQL 5.7 client libraries

[renecannao]

ProxySQL crashes when sysbench sends an SSLRequest :

(gdb) bt
#0  0x00007ff07b9aa89c in __strncmp_sse42 () from /lib64/libc.so.6
#1  0x000000000045a38b in
MySQL_Session::handler___status_CONNECTING_CLIENT___STATE_SERVER_HANDSHAKE
(
    this=this@entry=0x7ff078a43000, pkt=pkt@entry=0x7ff079dfe880,
wrong_pass=wrong_pass@entry=0x7ff079dfe877)
    at MySQL_Session.cpp:1653
#2  0x000000000045ceee in MySQL_Session::handler
(this=this@entry=0x7ff078a43000) at MySQL_Session.cpp:609
#3  0x0000000000454f3a in MySQL_Thread::process_all_sessions
(this=this@entry=0x7ff078a0c000) at MySQL_Thread.cpp:1904
#4  0x0000000000456802 in MySQL_Thread::run
(this=this@entry=0x7ff078a0c000) at MySQL_Thread.cpp:1790
#5  0x0000000000438b84 in mysql_worker_thread_func
(arg=0x7ff079e3d190) at main.cpp:156
#6  0x00007ff07d0d7dc5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007ff07b96dced in clone () from /lib64/libc.so.6

[renecannao]

Fixed