Add missing static specifiers

[Maxim Dounin]

Hello!

On Thu, Mar 02, 2017 at 01:52:58PM +0000, Eran Kornblau wrote:

[...]

> # User Eran Kornblau <erankor at gmail.com>
> # Date 1488462360 18000
> #      Thu Mar 02 08:46:00 2017 -0500
> # Node ID ecf63ae67df1d5768be40966a5afadb751d894bc
> # Parent  8b7fd958c59f8280d167fe7dd93f1942bfed5876
> Added missing static specifiers.

Committed with (with some minor style changes in select/poll 
modules), thanks.

-- 
Maxim Dounin
http://nginx.org/