FuzzedDataProvider: Include the right headers for CHAR_BIT and memcpy

This fixes the build with libstdc++ after c416f80a9 ("Refactor
base::FuzzedDataProvider and fix the calling sites"):

* CHAR_BIT is part of limits.h (or <climits>), not the C++ <limits> header
* std::memcpy() needs <cstring>

Bug: 819294
Change-Id: I71439bd56c68fb7600a816ce03a71711ccfb00db
Reviewed-on: https://chromium-review.googlesource.com/c/1352320
Reviewed-by: Max Moroz <mmoroz@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Raphael Kubo da Costa <raphael.kubo.da.costa@intel.com>
Cr-Commit-Position: refs/heads/master@{#611598}
1 file changed