Release of Version 2.2.1

[Alan DeKok]

Stefan Winter wrote:
> Well, this morning's GIT doesn't quite agree. Sending a TERM to the 
> server running -X:

  Arg.

  I may have to back-port a bunch of fixes from the master branch.

> gdb during termination time shows that there's something wrong inside 
> free'ing eap types, it seems:

  Double free, probably.

> Program received signal SIGSEGV, Segmentation fault.
> 0x00007ffff65a5634 in free () from /lib64/libc.so.6
> (gdb) bt
> #0  0x00007ffff65a5634 in free () from /lib64/libc.so.6
> #1  0x000000000040e2c0 in cf_section_parse_free (cs=0x675240, base=0x8209c0) at conffile.c:344
> #2  0x00007ffff56e0d31 in eaptype_free (i=0x8247f0) at mem.c:253
> #3  0x00007ffff56de877 in eap_detach (instance=0x823ad0) at rlm_eap.c:69

  I'll take a look.  I spent some effort in the master branch to clean
it up.  It now exits cleanly when using "radiusd -M".  I'm wary of
making changes to the v2.x.x branch, but bug fixes are definitely on the
list.

  Alan DeKok.