Immediate Segfault in drmemory64 v2.0 rc2

drmemory immediately segfaults when running [this attached binary](https://user-images.githubusercontent.com/111640/31970048-62deb6e8-b8dc-11e7-96c3-2cd51fbebf06.jpg) (named .jpg to bypass Github upload filters).


```
$ DrMemory-Linux-2.0.0-RC2/bin64/drmemory -- ./HouseOfScepticism
~~Dr.M~~ Dr. Memory version 2.0.0
~~Dr.M~~
~~Dr.M~~ NO ERRORS FOUND:
~~Dr.M~~ 0 unique, 0 total unaddressable access(es)
~~Dr.M~~ 0 unique, 0 total uninitialized access(es)
~~Dr.M~~ 0 unique, 0 total invalid heap argument(s)
~~Dr.M~~ 0 unique, 0 total warning(s)
~~Dr.M~~ 0 unique, 0 total, 0 byte(s) of leak(s)
~~Dr.M~~ 0 unique, 0 total, 0 byte(s) of possible leak(s)
~~Dr.M~~ ERRORS IGNORED:
~~Dr.M~~ 0 unique, 0 total, 0 byte(s) of still-reachable allocation(s)
~~Dr.M~~ (re-run with "-show_reachable" for details)
~~Dr.M~~ Details: /home/pwntools/ctf-solutions/hack.lu/2017/house_of_skepticism/DrMemory-Linux-2.0.0-RC2/drmemory/logs/DrMemory-HouseOfScepticism.7594.000/results.txt
[1] 7594 segmentation fault DrMemory-Linux-2.0.0-RC2/bin64/drmemory -- ./HouseOfScepticism
```

The old 1.11 release appears to work.

```
$ DrMemory-Linux-1.11.0-2/bin64/drmemory -- ./HouseOfScepticism
~~Dr.M~~ Dr. Memory version 1.11.0
~~Dr.M~~ (Uninitialized read checking is not yet supported for 64-bit)
Welcome to our secret diary writing service!
Your darkest thoughts can be hidden from interested neighbours as everything is stored in an encrypted manner in our innovative Realtime Access Management (RAM) cloud. On top of that, amazing formatting features are coming soon! Enjoy!
========
1. Add
2. Edit
3. Read
4. Scratch
5. Exit
>
```