Comment 2 for bug 844463

StacktraceTop:
 g_assertion_message (domain=<optimized out>, file=<optimized out>, line=<optimized out>, func=0x7ff03e054d40 "gee_array_list_real_get", message=0x29cbea0 "assertion failed: (index < self->_size)") at /build/buildd/glib2.0-2.29.90/./glib/gtestutils.c:1425
 g_assertion_message_expr (domain=0x0, file=0x7ff03e054a21 "arraylist.c", line=483, func=0x7ff03e054d40 "gee_array_list_real_get", expr=<optimized out>) at /build/buildd/glib2.0-2.29.90/./glib/gtestutils.c:1436
 gee_array_list_real_get (base=<optimized out>, index=<optimized out>) at arraylist.c:483
 gee_array_list_real_get (base=<optimized out>, index=<optimized out>) at arraylist.c:476
 photo_monitor_real_candidates_for_unknown_file (base=<optimized out>, file=<optimized out>, info=<optimized out>, _result_=<optimized out>) at x86_64-linux-gnu/PhotoMonitor.c:1658