[NaCl SDK] Roll naclports revision built into NaCl SDK

r757 -> r774

This fixes a recent breakage regarding the name of the
ncval executable changing.

It also brings in several other changes from naclports
but none should directly effect any of the packages included
in the SDK.

BUG=None
TEST=build_sdk.py --build-ports
R=binji@chromium.org

Review URL: https://codereview.chromium.org/16224009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@204018 0039d316-1c4b-4281-b951-d872f2087c98

native_client_sdk/src/build_tools/build_sdk.py

@@ -54,7 +54,7 @@ import oshelpers
 CYGTAR = os.path.join(NACL_DIR, 'build', 'cygtar.py')
 
 NACLPORTS_URL = 'https://naclports.googlecode.com/svn/trunk/src'
-NACLPORTS_REV = 757
+NACLPORTS_REV = 774
 
 # TODO(binji): horrible hack to make the Windows builders go green...
 # Windows has a path length limit of 255 characters, after joining cwd with a