[patch ping] change linux-gnu* -> linux* in libtool files

[Nick Clifton]

Hi Mike,

> 2006-04-10  Mike Frysinger  <vapier@gentoo.org>
> 
> 	* libtool.m4: Accept linux* instead of just linux-gnu*.
> 	* ltconfig: Likewise.  Also accept linux-uclibc* as well as linux-gnu*.

Approved - please apply.

Cheers
   Nick