Add missing change from 'Rewrite the JDIMENSION argument management for x86 64-bit assembly'

Add missing change from 'Rewrite the JDIMENSION argument management for x86 64-bit assembly'

This fell out of the previous commit.

BUG=532214
R=thakis@chromium.org

Committed: https://chromium.googlesource.com/chromium/deps/libjpeg_turbo/+/e4e75037f29745f1546b6ebf5cf532e841c04c2c

[hans, 2015-09-16 17:45:37]

hans@chromium.org changed reviewers:
+ thakis@chromium.org

[hans, 2015-09-16 17:45:38]

Sorry, I should have noticed this before :(

[Nico, 2015-09-16 18:46:40]

On 2015/09/16 17:45:38, hans wrote:
> Sorry, I should have noticed this before :(

Lgtm

Huh how did this happen?

[hans, 2015-09-16 18:57:14]

On 2015/09/16 18:46:40, Nico wrote:
> On 2015/09/16 17:45:38, hans wrote:
> > Sorry, I should have noticed this before :(
> 
> Lgtm
> 
> Huh how did this happen?

The files have been renamed and tabs converted to spaces upstream. I merged the
patch manually and managed to forget this one. I check that I hit the same
number of files, and then double-checked that all the changes were the same, but
that last double-check happened after the commit.

[hans, 2015-09-16 18:57:35]

Committed patchset #1 (id:1) manually as
e4e75037f29745f1546b6ebf5cf532e841c04c2c (presubmit successful).