Add a missing #include that's needed for call to FXSYS_tolower.

Add a missing #include that's needed for call to FXSYS_tolower.

BUG=
R=thestig@chromium.org

Committed: https://pdfium.googlesource.com/pdfium/+/8ad46d3d6829d879cd342caec4c6f7eaae43cba0

[David Lattimore, 2015-09-10 03:30:19]

dml@google.com changed reviewers:
+ thestig@chromium.org

[Lei Zhang, 2015-09-10 05:02:48]

lgtm

[Lei Zhang, 2015-09-11 00:25:43]

Do you need to be added as a PDFium committer, so you can land this?

[David Lattimore, 2015-09-11 00:32:38]

On 2015/09/11 00:25:43, Lei Zhang wrote:
> Do you need to be added as a PDFium committer, so you can land this?

I don't AFAIK currently have commit access. What's involved in getting it? Also,
why does it say 'Project "" does not have a commit queue' above?

[Lei Zhang, 2015-09-11 01:24:51]

On 2015/09/11 00:32:38, David Lattimore wrote:
> On 2015/09/11 00:25:43, Lei Zhang wrote:
> > Do you need to be added as a PDFium committer, so you can land this?
> 
> I don't AFAIK currently have commit access. What's involved in getting it?
Also,
> why does it say 'Project "" does not have a commit queue' above?

You do now. git cl land

With Chromium, there's a commit queue checkbox, so you don't have to manually
commit.

[David Lattimore, 2015-09-14 21:40:23]

Committed patchset #1 (id:1) manually as
8ad46d3d6829d879cd342caec4c6f7eaae43cba0 (presubmit successful).