Changing the setup.bz2 path

## Changing the setup.bz2 path

### Commit message

because

* that allow downloading setup.bz2 as intended

### Problem

`apt-cyg update` return an error because

* the setup.bz2 path is wrong

<!-- -->

	$ apt-cyg update -m http://box-soft.com
	Working directory is /setup
	Mirror is http://box-soft.com
	--2013-08-06 16:51:07--  http://box-soft.com/setup.bz2
	Resolving box-soft.com (box-soft.com)... 204.45.81.84
	Connecting to box-soft.com (box-soft.com)|204.45.81.84|:80... connected.
	HTTP request sent, awaiting response... 404 Not Found
	2013-08-06 16:51:08 ERROR 404: Not Found.

	--2013-08-06 16:51:08--  http://box-soft.com/setup.ini
	Resolving box-soft.com (box-soft.com)... 204.45.81.84
	Connecting to box-soft.com (box-soft.com)|204.45.81.84|:80... connected.
	HTTP request sent, awaiting response... 404 Not Found
	2013-08-06 16:51:08 ERROR 404: Not Found.

	Error updating setup.ini, reverting

### Solution

Changing the setup.bz2 path because

* that allow downloading it as intended

<!-- -->

	$ apt-cyg update -m http://box-soft.com
	Working directory is /setup
	Mirror is http://box-soft.com
	--2013-08-06 16:58:10--  http://box-soft.com/x86/setup.bz2
	Resolving box-soft.com (box-soft.com)... 204.45.81.84
	Connecting to box-soft.com (box-soft.com)|204.45.81.84|:80... connected.
	HTTP request sent, awaiting response... 200 OK
	Length: 393796 (385K) [application/octet-stream]
	Saving to: ‘setup.bz2’

	100%[==========================================================================================>] 393,796      190KB/s   in 2.0s

	2013-08-06 16:58:12 (190 KB/s) - ‘setup.bz2’ saved [393796/393796]

	Updated setup.ini