sim/erc32 warnings

[Joel Sherrill]

Hans-Peter Nilsson wrote:
> On Fri, 7 Nov 2008, Joel Sherrill wrote:
>   
>> 2008-11-07  Joel Sherrill <joel.sherrill@oarcorp.com>
>>
>>    * erc32.c, exec.c: Fix warnings.
>>     
>
> Ok, obvious even.
>   
Committed even. :)

--joel