Typo in link to latest newlib snapshot

[Jeff Johnston]

Fixed.

----- Original Message -----
From: "Olof Kindgren" <olof.kindgren@gmail.com>
To: newlib@sourceware.org
Sent: Saturday, March 21, 2015 3:26:30 PM
Subject: Typo in link to latest newlib snapshot

Hi guys,

The link to the 20150225 snapshot is broken on this page
ftp://sourceware.org/pub/newlib/index.html

It contains one '2' too many (201502225 should be 20150225)

Best regards,
Olof