GAS REGRESSION: .sleb128 tests

[Hans-Peter Nilsson]

On Fri, 12 Apr 2013, Nick Clifton wrote:
> There seems to be a variety of different, target specific reasons for
> the failures.  The MMIX failures for example come from:
>
>   gas/testsuite/gas/all/sleb128-2.s: Assembler messages:
>   gas/testsuite/gas/all/sleb128-2.s:4: Error: unknown pseudo-op: `.l1:'
>   gas/testsuite/gas/all/sleb128-2.s:8: Error: unknown pseudo-op: `.l2:'

Labels should not be suffixed with ":" for this target; ":" is
in the identifier namespace.  Julian, feel free to skip the test
for this target (with a comment as Nick requested) as I think
not suffixing with a ":" will clash with more than one other
target.  Thanks.

brgds, H-P