RE: make MaxBackends available in _PG_init

Hi,

I noticed that in v3-0001-Disallow-external-access-to-MaxBackends.patch, there are some modifications like:

> -        for (int i = 0; i <= MaxBackends; i++)
> +        for (int i = 0; i <= GetMaxBackends(); i++)

I don't think calling function GetMaxBackends() in the for loop is a good idea.  
How about use a temp variable to save the return value of function GetMaxBackends() ?

Regards,
Shenhao Wang