False positives with g_utf8_collate

[Alex Valavanis]

Valgrind reports false positives ussing the glib utf8-handling functions. According to the glib developers, these should be added to the valgrind suppression files for Ubuntu.

See https://bugzilla.gnome.org/show_bug.cgi?id=720984

==22436== Invalid read of size 8
==22436== at 0x51D8828: wcscmp (wcscmp.S:426)
==22436== by 0x51E44AE: wcscoll_l (strcoll_l.c:489)
==22436== by 0x4EAA506: g_utf8_collate (gunicollate.c:117)
==22436== by 0x40071B: main (in /home/eenava/devel/qclsim/build/glib-test)
==22436== Address 0x59590a8 is 8 bytes inside a block of size 12 alloc'd
==22436== at 0x4C2A2DB: malloc (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==22436== by 0x4E81DD0: g_malloc (gmem.c:104)
==22436== by 0x4EAB1F3: _g_utf8_normalize_wc (gunidecomp.c:398)
==22436== by 0x4EAA4F8: g_utf8_collate (gunicollate.c:115)

[Alex Valavanis (valavanisalex)]

Full valgrind output log attached