ntdll/signal_arm.c: Implement segv_handler

[Dmitry Timoshkov]

chris.nousco at gmail.com wrote:

> From: JinSung Kang <chris.nousco at gmail.com>
> 
> Improve that segv_handler function check page_fault and setting up exception handler.
> It is possbible whether read fault or write fault.

It looks like the formatting of your patches is messed up because of using
a non-standard tab size (4?).

-- 
Dmitry.