tree bcf6984879176d59e088ec6317e0c5a7a19c0330
parent 5628fd71197c0d476a89cf3a00810aaf9fdfc086
author Tom Sepez <tsepez@chromium.org> 1493331343 -0700
committer Chromium commit bot <commit-bot@chromium.org> 1493332246 +0000

Zero 4 byte variable before reading 3 bytes into it

Otherwise, the top byte will be unitialized.  We later mask it off,
but MSAN isn't clever enough to realize this.

Bug: 716207
Change-Id: Ic4513bbaee6a47654392580d5f404195da4a6509
Reviewed-on: https://pdfium-review.googlesource.com/4591
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>