PNaCl: Update LLVM revision in pnacl/DEPS
PNaCl: Update LLVM revision in pnacl/DEPS

This pulls in the following LLVM changes:

e0e366e: (mseaborn@chromium.org) PNaCl: Add FlattenGlobals pass for simplifying global variable initializers
ac21bcb: (mseaborn@chromium.org) PNaCl: Add ExpandByVal pass for expanding out by-value struct args and results

BUG= https://code.google.com/p/nativeclient/issues/detail?id=3113
BUG= https://code.google.com/p/nativeclient/issues/detail?id=3400
TEST=PNaCl toolchain trybots

Review URL: https://codereview.chromium.org/13966010

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@11223 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

Lind-Project/native_client,Lind-Project/native_client,Lind-Project/native_client,Lind-Project/native_client,Lind-Project/native_client,Lind-Project/native_client