[NaCl SDK] Roll naclports revision: 1289 -> 1290

This brings in a version of naclports that doesn't contain
a conflicting definition of realpath(3).  Not sure how the
previous roll passed my local testing its r1290 that we
really need.

TBR=binji

Review URL: https://codereview.chromium.org/303663003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@273015 0039d316-1c4b-4281-b951-d872f2087c98

native_client_sdk/src/build_tools/build_sdk.py

@@ -57,7 +57,7 @@ CYGTAR = os.path.join(BUILD_DIR, 'cygtar.py')
 PKGVER = os.path.join(BUILD_DIR, 'package_version', 'package_version.py')
 
 NACLPORTS_URL = 'https://naclports.googlecode.com/svn/trunk/src'
-NACLPORTS_REV = 1289
+NACLPORTS_REV = 1290
 
 GYPBUILD_DIR = 'gypbuild'