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

This pulls in the following LLVM changes:

1c9e9a7: (petar.jovanovic@rt-rk.com) Do not destroy linkage property when deleting function body
e28e13d: (dschuff@chromium.org) Fix PIC indirect call sequence with sandbox-base hiding

BUG= https://code.google.com/p/nativeclient/issues/detail?id=3943
BUG= https://code.google.com/p/nativeclient/issues/detail?id=3958
TEST= PNaCl toolchain trybots
TBR=hamaji@chromium.org

Review URL: https://codereview.chromium.org/617143002

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@13812 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

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