msi: Remove tentative definition of static array with no size specifier

[Andrew Talbot]

Andrew Talbot wrote:

> strictly, when the static storage specifier is applied, the size must be
> specified:
> 
>     static char ar[5];           /* tentative definition */
> 
>     static char ar[5] = "hello"; /* actual definition */
> 

Of course, the size need not be specified in the case of the actual
definition, so the following is what I should have typed.

    static char a[] = "hello"; /* actual definition */

-- 
Andy.