Log Message:
dynamips: update to 0.2.23

0.2.23
* Command line option to configure console binding for TCP/AUX console.

0.2.22
* Fix stack alignment for JIT function call targets.

0.2.21
* Fix SEGV during snprintf and localtime_r.

0.2.20
* New fix for segmentation fault when using localtime() (64-bit only).

0.2.19
* Fix segmentation fault when using localtime() (64-bit only).

0.2.18
* Allow to reuse socket in udp_connect.
* Fix segfault when exporting startup-config.