GN: mark newlib_pnacl toolchain as clang

GN: mark newlib_pnacl toolchain as clang

newlib_pnacl toolchain is based on clang so it should be marked as such
to use the correct cflags.

BUG=462791
Committed: https://crrev.com/33dd52f8995f6605cf7d1858f95b5e9cd98a5a09
Cr-Commit-Position: refs/heads/master@{#356098}

[Petr Hosek, 2015-10-25 20:39:59]

Description was changed from

==========
GN: mark newlib_pnacl toolchain as clang

newlib_pnacl toolchain is based on clang so it should be marked as such
to use the correct cflags.

BUG= 462791
==========

to

==========
GN: mark newlib_pnacl toolchain as clang

newlib_pnacl toolchain is based on clang so it should be marked as such
to use the correct cflags.

BUG= 462791
==========

[Petr Hosek, 2015-10-25 20:39:59]

phosek@chromium.org changed reviewers:
+ dpranke@chromium.org, mcgrathr@chromium.org

[Roland McGrath, 2015-10-26 18:53:08]

lgtm

[Dirk Pranke, 2015-10-26 18:54:14]

lgtm

[Petr Hosek, 2015-10-26 19:00:28]

The CQ bit was checked by phosek@chromium.org

[commit-bot: I haz the power, 2015-10-26 19:03:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1426623002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1426623002/1

[commit-bot: I haz the power, 2015-10-26 19:35:11]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-26 19:35:47]

Patchset 1 (id:??) landed as
https://crrev.com/33dd52f8995f6605cf7d1858f95b5e9cd98a5a09
Cr-Commit-Position: refs/heads/master@{#356098}