NaCl: Update revision in DEPS, r6386 -> r6403

NaCl: Update revision in DEPS, r6386 -> r6403

This pulls in the following Native Client changes:

r6387: (bradnelson) Fixing header name mismatch (matters to msvs2010 generator).
r6388: (kschimpf) Start the process of factoring out print routines into corresponding "verbose"
r6389: (sehr) Update to get ELF startup abi removal.
r6390: (mcgrathr) Crash with PC intact.
r6391: (mcgrathr) Revert unintended commit.
r6392: (mcgrathr) Fix linking libraries for nullptr test
r6393: (ncbray) Enable PyAuto on the Windows Chrome integration bot.
r6394: (mseaborn) Cleanup: Don't link sel_ldr against Cocoa on Mac
r6395: (pasko) Remove unsupported symbol 'signal' from newlib exports.
r6396: (pasko) Toolchain DEPS up(6395).
r6397: (polina) tests/toolchain: Factor out common macros into a shared header.
r6398: (krasin) service_runtime: remove unused NaClSyncQueue and nacl_sync_queue.c
r6399: (polina) tests/toolchain: Add a new test to verify that various standard types
r6400: (sanga) Some tests for PPBFileIO.
r6401: (bradnelson) Fix chromebinaries.py to cope with the possibility that the index may contain
r6402: (mseaborn) Add "irt_binaries" and "src/third_party/ppapi" to svn:ignore
r6403: (sanga) Disabling file io tests.  The tests seem to be flaky.

BUG=none
TEST=trybots


Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=96508

[Mark Seaborn, 2011-08-11 23:31:45]

Today's DEPS update.

[bradn, 2011-08-11 23:44:16]

LGTM

[commit-bot: I haz the power, 2011-08-12 04:56:09]

Change committed as 96508