Add missing parenthesis in FXARGB_GETDIB macro

Add missing parenthesis in FXARGB_GETDIB macro

You can get warning when using FXARGB_GETDIB() with & operation in
the same statement like: FXARGB_GETDIB(src_scan) & 0xffffff in
fx_dib_composite.cpp:

../../third_party/pdfium/core/src/fxge/dib/fx_dib_composite.cpp:737:205:
error: '&' within '|' [-Werror,-Wbitwise-op-parentheses]

Original patch from jiangj@opera.com

[Jiang Jiang, 2014-09-18 09:21:25]

jiangj@opera.com changed reviewers:
+ jabdelmalek@google.com

[Jiang Jiang, 2014-10-01 17:29:29]

jiangj@opera.com changed reviewers:
+ jam@chromium.org, thakis@chromium.org
- jabdelmalek@google.com

[Nico, 2014-10-01 22:13:48]

lgtm

The warning is a true positive for the snippet you pasted, right?

[Nico, 2014-10-01 22:14:37]

thakis@chromium.org changed reviewers:
+ bo_xu@foxitsoftware.com

[Jiang Jiang, 2014-10-03 17:19:15]

On 2014/10/01 22:13:48, Nico (away until Oct 27) wrote:
> lgtm
> 
> The warning is a true positive for the snippet you pasted, right?

Yes, it's a true positive.

[Jiang Jiang, 2014-10-03 17:20:42]

The CQ bit was checked by jiangj@opera.com

[commit-bot: I haz the power, 2014-10-03 17:21:13]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-10-03 17:21:15]

Commit queue rejected this change because it did not recognize the base URL.
Please commit your change manually.

[Bo Xu, 2014-10-03 17:24:00]

On 2014/10/03 17:18:56, Jiang Jiang wrote:

This has to be committed manually via "git cl land"

[Jiang Jiang, 2014-10-03 17:31:30]

On 2014/10/03 17:24:00, Bo Xu wrote:
> On 2014/10/03 17:18:56, Jiang Jiang wrote:
> 
> This has to be committed manually via "git cl land"

I'm not a committer, can you please do it for me?

[Bo Xu, 2014-10-03 17:34:20]

On 2014/10/03 17:31:30, Jiang Jiang wrote:
> On 2014/10/03 17:24:00, Bo Xu wrote:
> > On 2014/10/03 17:18:56, Jiang Jiang wrote:
> > 
> > This has to be committed manually via "git cl land"
> 
> I'm not a committer, can you please do it for me?

@Jam, can you grant the permission for Jiang? Thanks.

[jam, 2014-10-15 16:03:37]

On 2014/10/03 17:34:20, Bo Xu wrote:
> On 2014/10/03 17:31:30, Jiang Jiang wrote:
> > On 2014/10/03 17:24:00, Bo Xu wrote:
> > > On 2014/10/03 17:18:56, Jiang Jiang wrote:
> > > 
> > > This has to be committed manually via "git cl land"
> > 
> > I'm not a committer, can you please do it for me?
> 
> @Jam, can you grant the permission for Jiang? Thanks.

if it's just one patch, Bo do you mind landing it? Also add Jiang to the AUTHORS
file in pdfium, thanks.

[Bo Xu, 2014-10-15 17:36:54]

On 2014/10/15 16:03:37, jam wrote:
> On 2014/10/03 17:34:20, Bo Xu wrote:
> > On 2014/10/03 17:31:30, Jiang Jiang wrote:
> > > On 2014/10/03 17:24:00, Bo Xu wrote:
> > > > On 2014/10/03 17:18:56, Jiang Jiang wrote:
> > > > 
> > > > This has to be committed manually via "git cl land"
> > > 
> > > I'm not a committer, can you please do it for me?
> > 
> > @Jam, can you grant the permission for Jiang? Thanks.
> 
> if it's just one patch, Bo do you mind landing it? Also add Jiang to the
AUTHORS
> file in pdfium, thanks.

Sure. @Jiang Jiang, can you add a line at the end of the description, say
"Original patch from jiangj@opera.com", since I am going to land this for you.
Thanks.

[Jiang Jiang, 2014-10-15 17:58:56]

On 2014/10/15 17:36:54, Bo Xu wrote:
> On 2014/10/15 16:03:37, jam wrote:
> > On 2014/10/03 17:34:20, Bo Xu wrote:
> > > On 2014/10/03 17:31:30, Jiang Jiang wrote:
> > > > On 2014/10/03 17:24:00, Bo Xu wrote:
> > > > > On 2014/10/03 17:18:56, Jiang Jiang wrote:
> > > > > 
> > > > > This has to be committed manually via "git cl land"
> > > > 
> > > > I'm not a committer, can you please do it for me?
> > > 
> > > @Jam, can you grant the permission for Jiang? Thanks.
> > 
> > if it's just one patch, Bo do you mind landing it? Also add Jiang to the
> AUTHORS
> > file in pdfium, thanks.
> 
> Sure. @Jiang Jiang, can you add a line at the end of the description, say
> "Original patch from mailto:jiangj@opera.com", since I am going to land this
for you.
> Thanks.

Thanks, done.

[Bo Xu, 2014-10-21 19:06:36]

I have committed in
https://pdfium.googlesource.com/pdfium/+/f71c2d02294fb3ceb7b19a93a6913f97c4ff....
@Jiang, you can close this issue. Thanks.