PNaCl: Update nacl-newlib revision in pnacl/COMPONENT_REVISIONS: timezone decl
PNaCl: Update nacl-newlib revision in pnacl/COMPONENT_REVISIONS: timezone decl

This pulls in the following nacl-newlib change:

ba08829: (mseaborn@chromium.org) Define standard "timezone" variable, not just non-standard "_timezone"

BUG= https://github.com/domokit/mojo/issues/431
BUG= https://bugs.chromium.org/p/nativeclient/issues/detail?id=3737
TEST= PNaCl toolchain trybots
R=mcgrathr@chromium.org

Review URL: https://codereview.chromium.org/1470103003 .

sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client