Free the GifPlainText object when complete.

Free the GifPlainText object when complete.

We allocate the GifPlainText object on line ~685 inside GIF_D_STATUS_EXT_PTE.
We cleanup the internal pointers in the gif_destroy_decompress() but we
failed to cleanup the pointer itself.

This CL frees the allocated pointer once the data is cleaned up.

BUG=chromium:638499
Committed: https://pdfium.googlesource.com/pdfium/+/87dffc0315477150c9c1964913b65bc97bdf654f

[dsinclair, 2016-08-30 20:20:55]

The CQ bit was checked by dsinclair@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-08-30 20:21:07]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[dsinclair, 2016-08-30 20:22:30]

dsinclair@chromium.org changed reviewers:
+ thestig@chromium.org, weili@chromium.org

[dsinclair, 2016-08-30 20:22:30]

PTAL.

[commit-bot: I haz the power, 2016-08-30 20:41:19]

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

[commit-bot: I haz the power, 2016-08-30 20:41:20]

Dry run: This issue passed the CQ dry run.

[Wei Li, 2016-08-30 21:28:13]

lgtm

[dsinclair, 2016-08-31 13:03:31]

The CQ bit was checked by dsinclair@chromium.org

[commit-bot: I haz the power, 2016-08-31 13:03:38]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-08-31 13:03:53]

Description was changed from

==========
Free the GifPlainText object when complete.

We allocate the GifPlainText object on line ~685 inside GIF_D_STATUS_EXT_PTE.
We cleanup the internal pointers in the gif_destroy_decompress() but we
failed to cleanup the pointer itself.

This CL frees the allocated pointer once the data is cleaned up.

BUG=chromium:638499
==========

to

==========
Free the GifPlainText object when complete.

We allocate the GifPlainText object on line ~685 inside GIF_D_STATUS_EXT_PTE.
We cleanup the internal pointers in the gif_destroy_decompress() but we
failed to cleanup the pointer itself.

This CL frees the allocated pointer once the data is cleaned up.

BUG=chromium:638499

Committed:
https://pdfium.googlesource.com/pdfium/+/87dffc0315477150c9c1964913b65bc97bdf...
==========

[commit-bot: I haz the power, 2016-08-31 13:03:54]

Committed patchset #1 (id:1) as
https://pdfium.googlesource.com/pdfium/+/87dffc0315477150c9c1964913b65bc97bdf...