[PATCH xorg-gtest] Rename headers to use dashes only

[Chase Douglas]

On 07/02/2012 08:17 PM, Peter Hutterer wrote:
> Mixing dashes and spaces in xorg-gtest_foobar.h is a painful naming
> convention. Use dashes only instead, and provide compat headers plus a
> warning for those using the old header files.
>
> Those users should be using xorg-gtest.h anyway.
>
> Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>

So, basically this is one huge bike-shed commit. Since we're moving 
around what are supposed to be private implementation (even if it is in 
a public location), I'm ok with the change in theory. I'd rather leave 
it as is, but I have too many other things going on to care about this 
right now.

Reviewed-by: Chase Douglas <chase.douglas at canonical.com>