[Bug] Segfault : "r2 -" "yara list" "q!"

[Maijin]

Segfault when doing "r2 -" then "yara list" then "q!"

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff29c4a00 in ?? ()
(gdb) bt
#0  0x00007ffff29c4a00 in ?? ()
#1  0x00007ffff7ba7c76 in r_cmd_yara_deinit () at /home/maijin/radare2/libr/..//libr/core/p/core_yara.c:271
#2  0x00007ffff7b8a6f9 in r_core_plugin_deinit (cmd=0x6a5ac0) at plugin.c:18
#3  0x00007ffff7b7373b in r_cmd_free (cmd=0x6a5ac0) at cmd_api.c:35
#4  0x00007ffff7b2d589 in r_core_fini (c=0x606520 <r>) at core.c:648
#5  0x00000000004049f6 in main (argc=2, argv=0x7fffffffe350, envp=0x7fffffffe360) at radare2.c:628

yara 2.1

radare2 0.9.8.git @ linux-little-x86-64 git.0.9.7-861-g127a5c2
commit: 127a5c2 build: 2014-05-24