r215391 - Change MemoryBuffer* to MemoryBuffer& parameter to Lexer::ComputePreamble

[Rafael Espíndola]

On 11 August 2014 18:08, David Blaikie <dblaikie at gmail.com> wrote:
> Author: dblaikie
> Date: Mon Aug 11 17:08:06 2014
> New Revision: 215391
>
> URL: http://llvm.org/viewvc/llvm-project?rev=215391&view=rev
> Log:
> Change MemoryBuffer* to MemoryBuffer& parameter to Lexer::ComputePreamble
>

Since the name of the buffer is not used, a StringRef seems an even
better match. I changed it in r215448 since I coded the patch to test
it out.

Cheers,
Rafael