Dr. Memory Internal Crash

A crash occurred while running DrMemory on a 32 bit application running on Windows 7 (64 bit).
I have been unable to reproduce it.

```
---------------------------
Application scripter.exe (74804). Dr. Memory internal crash at PC 0x73823895. Please report this at http://drmemory.org/issues. Program aborted.
0xc0000005 0x00000000 0x73823895 0x73823895 0x00000000 0x0000002f
Base: 0x70aa0000
Registers: eax=0x32336540 ebx=0x2b64e720 ecx=0x00000000 edx=0x00000000
esi=0x00000005 edi=0x00000000 esp=0x2b64e6ec ebp=0x2b64e724
eflags=0x000
1.11.0-2-(Aug 29 2016 02:42:07) win61
-no_dynamic_options -disasm_mask 8 -logdir 'C:\Users\shennum\AppData\Roaming\Dr. Memory\dynamorio' -client_lib 'C:\Program Files (x86)\Dr. Memory\bin\release\drmemorylib.dll;0;-logdir `C:\Users\shennum\AppData\Roaming\Dr. Memory` -symcache_dir `C:\Users\shennum\AppData\Roaming\Dr. Memory\symcache` -lib_blacklist `C:\Wind
0x2b64e724 0x00000c30
0x00a2579a 0x00720065
0x00740069 0x20202020
0x200a0d3e 0x00011560
C:\Program Files (x86)\Dr. Memory\bin\release\drmemorylib.dll=0x73800000
C:\Program Files (x86)\Dr. Memory\bin\release/dbghelp.dll=0x52040000
C:\Windows/system32/msvcrt.dll=0x011c0000
C:\Windows/system32/kernel32.dll=0x04ed0000
C:\Windows/system32/KERNELBASE.dll=0x005f0000
---------------------------
OK
---------------------------
```
Also saw the
>WARNING: application exited with abnormal code 0xffffffff
in the output.