Log Message:
Upgrade to version 3.1.3.  This upgrade solves the checksum mismatch pointed
out by (one- at inbox dot lv) in PR pkg/19115 as well, as we have a completely
new checksum.  Changes according to the website:

Changes since version 3.1.2:
- Fixed a bug that could cause the playlist repeat to stop (thanks to
  Alex Rasmussen for finding the bug)
- Command line options for nmixer changed, and it's now possible to select a
  different hardware mixer device.
- Fixed a bug that caused mp3blaster to quit when the user's homedir could
  not be determined.

Changes since version 3.1.1:
-Compiles on gcc-3.* without errors
-Trailing slash in HTTP URLs is only appended after the hostname, not in
 URLs that contain a path following the hostname. This means that mp3's can
 now be played straight from an URL again.
- For HTTP streams, HTTP/1.1 is used instead of HTTP/1.0 (this, and previous
 suggestion submitted by Markus Jerger. Thanks!)