Dumps core on every shutdown

[df7cb]

[2016-09-06 21:57:07] Dying: got SIGTERM

Core was generated by `/home/oftc/ircservices/services/bin/services -foreground'.
Program terminated with signal SIGABRT, Aborted.
#0  0x00007f3ee4814067 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f3ee4815448 in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f3ee48521b4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3  0x00007f3ee485798e in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#4  0x000000000042810d in MyFree (x=<optimized out>) at ../mem/memory.h:63
#5  unregister_callback (cb=0x140be80) at hook.c:84
#6  0x00000000004187b0 in cleanup_interface () at interface.c:192
#7  0x000000000042189b in services_die (msg=msg@entry=0x444152 "got SIGTERM", 
    rboot=rboot@entry=0) at services.c:365
#8  0x000000000042192c in signal_handler (signum=15) at services.c:389
#9  <signal handler called>
#10 0x00007f3ee48bed3d in poll () from /lib/x86_64-linux-gnu/libc.so.6
#11 0x0000000000427425 in comm_select () at poll.c:176
#12 0x000000000040f8a5 in main (argc=0, argv=0x7ffed12e4408) at services.c:291