ARM Skia NEON patches - 09 - Bugfix
ARM Skia NEON patches - 09 - Bugfix

Misc: fix a PDF warning/bug on ARM

char is unsigned by default on ARM, so the (curNibble < 0) test is
always false, probably leading to a bug.

BUG=
R=djsollen@google.com, edisonn@google.com

Author: kevin.petit.arm@gmail.com

Review URL: https://chromiumcodereview.appspot.com/18365005

git-svn-id: e8541e15acce502a64c929015570ad1648e548cd@9954 2bbb7eff-a529-9590-31e7-b0007b416f81

PurityROM/platform_external_skia,PurityROM/platform_external_skia,PurityROM/platform_external_skia,PurityROM/platform_external_skia