NaCl: Update revision in DEPS, r13599 -> r13611

This pulls in the following Native Client changes:

r13600: (mseaborn) PNaCl: Fix SJLJ EH redirector functions to not get "nounwind" attributes
r13601: (yyanagisawa) Re-enable use of goma on Windows.
r13602: (dschuff) PNaCl driver: Add libgcc to mixed native/bitcode links
r13603: (ncbray) build_nexe.py: support compiling generated code in GYP.
r13604: (dschuff) Revert "Re-enable use of goma on Windows."
r13605: (mcgrathr) Configure GDB with --enable-tui
r13606: (dschuff) PNaCl: Update libc++ revision in pnacl/COMPONENT_REVISIONS
r13607: (jvoung) Add Subzero to the pnacl/deps_update script and have binutils check 2.24.
r13608: (jvoung) PNaCl: Update Subzero revision in pnacl/COMPONENT_REVISIONS
r13609: (dschuff) Roll LLVM COMPONENT_REVISIONS back to 007f1fd0
r13610: (noelallen) Break up arch dependencies
r13611: (jvoung) Make some of the "get" pthread function prototypes take const params.

BUG=none
TEST=browser_tests and nacl_integration
CQ_EXTRA_TRYBOTS=tryserver.chromium.linux:linux_rel_precise32,linux_nacl_sdk_build

Review URL: https://codereview.chromium.org/473473002

Cr-Commit-Position: refs/heads/master@{#289396}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@289396 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -35,7 +35,7 @@ vars = {
   "skia_git": "https://skia.googlesource.com",
   "boringssl_git": "https://boringssl.googlesource.com",
   "swig_revision": "230490",
-  "nacl_revision": "13599",
+  "nacl_revision": "13611",
   # After changing nacl_revision, run 'glient sync' and check native_client/DEPS
   # to update other nacl_*_revision's.
   "nacl_tools_revision": "13077",  # native_client/DEPS: tools_rev