Ticket #1942: MC crashes on exit when using C locale.
Starting mc with:
LANG=C mc
cases a crash when mc exits. No other LC_* variable was set.
The issue is in src/strutil.c module. With C locale, str_init_strings()
fails to set str_cnv_not_convert variable leaving it with value -1
(INVALID_CONV). str_uninit_strings() passes str_cnv_not_convert blindly
to g_iconv_close() which tries to dereference it.
This commit adds a check to str_uninit_strings() if str_cnv_not_convert
value is valid.
Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
Signed-off-by: Slava Zanko <slavazanko@gmail.com>