Comment 7 for bug 349009

got that error under valgrind

"==17303== Invalid read of size 1
==17303== at 0x497EC46: _IO_default_xsputn (in /lib/tls/i686/cmov/libc-2.9.so)
==17303== by 0x4953F64: vfprintf (in /lib/tls/i686/cmov/libc-2.9.so)
==17303== by 0x4A0E959: __vasprintf_chk (in /lib/tls/i686/cmov/libc-2.9.so)
==17303== by 0x47D380E: g_vasprintf (stdio2.h:199)
==17303== by 0x47C04F1: g_string_append_vprintf (gstring.c:1375)
==17303== by 0x47C058E: g_string_append_printf (gstring.c:1479)
==17303== by 0x739AB07: irc_buddy_append (irc.c:214)
==17303== by 0x478E24B: g_hash_table_foreach (ghash.c:1210)
==17303== by 0x739B3B1: irc_blist_timeout (irc.c:193)
==17303== by 0x479D185: g_timeout_dispatch (gmain.c:3253)
==17303== by 0x479CA57: g_main_context_dispatch (gmain.c:1814)
==17303== by 0x479FFBA: g_main_context_iterate (gmain.c:2448)
==17303== Address 0x8b217fc is 12 bytes inside a block of size 16 free'd
==17303== at 0x4025DFA: free (vg_replace_malloc.c:323)
==17303== by 0x47A4FF5: g_free (gmem.c:190)
==17303== by 0x7399473: irc_buddy_free (irc.c:772)
==17303== by 0x478E8BA: g_hash_table_insert_internal (ghash.c:882)
==17303== by 0x739AEF0: irc_add_buddy (irc.c:568)
==17303== by 0x4844092: purple_account_add_buddy (account.c:2249)
==17303== by 0x807A17D: add_buddy_cb (gtkblist.c:6529)
==17303== by 0x473D0EB: g_cclosure_marshal_VOID(intXX_t) (gmarshal.c:216)
==17303== by 0x472FC7A: g_closure_invoke (gclosure.c:767)
==17303== by 0x4745E0E: signal_emit_unlocked_R (gsignal.c:3244)
==17303== by 0x4747488: g_signal_emit_valist (gsignal.c:2977)
==17303== by 0x4747905: g_signal_emit (gsignal.c:3034)"