[Patch] Fix some testsuite regressions for alpha vms

[Nick Clifton]

Hi Tristan,

> gas/testsuite
> 2011-04-18  Tristan Gingold<gingold@adacore.com>
>
> 	* lib/gas-defs.exp (get_standard_section_names): Add names for
> 	alpha vms.
> 	* gas/all/gas.exp: Do not test diff1.s on alpha-vms.

Approved - please apply.

Cheers
   Nick