Segfault on attempts to check statistics

Nlkt crashes on execution of statistics screen

Steps to reproduce:
    * Have clean installation
    * Run nlkt (i executed from terminal with 'nlkt')
    * Have russian translation (probably it matters)
    * Create new profile
    * Choose 'en' layout
    * Click on statistics

Expected result:
    * Statistic window appear

Real result:
*** Error in `nlkt': malloc(): memory corruption (fast): 0x0000000002605120 ***
[1] 7388 abort (core dumped) nlkt

Additional info:
Description: Ubuntu 15.10
Release: 15.10

nlkt:
  Установлен: 0.3.2.2-1
  Кандидат: 0.3.2.2-1
  Таблица версий:
 *** 0.3.2.2-1 0
        500 http://mirror.yandex.ru/ubuntu/ wily/universe amd64 Packages
        100 /var/lib/dpkg/status