[NaCl SDK] Update naclports revision used by the SDK build

[NaCl SDK] Update naclports revision used by the SDK build

This should fix the current failure to build the
naclports bundle as it includes the change to
the default install path for PNaCl libs and headers.

This brings in the most resent 32 changes from naclports:

873ca49 Update PNaCl toolchain paths le32-nacl/local -> le32-nacl/usr
6d5fdd0 Don't include fonts.dir and fonts.scale in font packages.
8663b87 Fix SDl2 build when libiconv is present.
abc951c Fix gcc mac build by adding required argument to 'find' command.
062c105 Cleanup bash scripts
13e8dd0 Update openal-soft port
f24c45d When patching gcc specs file use existing specs if found
9141902 Fix httpd import in chrome_test
040f937 Remove temporary PNaCl workaround.
3262ba1 Switching back to __builtin_bswap32.
58e9aee Adding make test to devenv, changing layout.
b6bf444 Use sha1 rather than timestamps when checking build directories are up-to-date.
cadf6bf Fix coreutils and git for pnacl and enabling devenv-latest there.
2d2887c Add missing glibc-compat dependency to boost
5c633b4 Fix use of undefined symbol in PRESUBMIT.py
afc2def Add demo for libgit2 that runs in chrome
dcdf280 Update boost nacl.patch
3c26495 Fix compiler used for boost build.
f7d79c9 Update tinyxml and add tests
c023941 Remove libmodplug from the list of prebuild ports.
45e3d9f Fix mmap bug in libgit2
41b62db Fix jpeg6b package
75d83f8 Add tests for libgmp
27c048f Fix ncurses build.
87538f7 Add openjpeg
3cf4d95 Remove -Wenum-compare flag from grep build.
5ad247e Set ARFLAGS when running configure.
7095f09 Add missing glibc-compat dependency to libmodplug
849dcf0 Fix typo in __byte_swap_32 in glibc-compat
d527604 Add mp4v2 library
68aa657 Fix libmodplug build
47c1c17 Add random/urandom to glibc-compat

TEST=build_tools/build_sdk.py --build-ports  --build-app-engine
R=binji@chromium.org

Review URL: https://codereview.chromium.org/641233002

Cr-Commit-Position: refs/heads/master@{#298995}