Quiet output when untarring the pnacl translator from gyp builds.

BUG= https://code.google.com/p/chromium/issues/detail?id=370981
TEST= Run "ninja -C out/Debug untar_pnacl_translator"

Review URL: https://codereview.chromium.org/341893003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@278451 0039d316-1c4b-4281-b951-d872f2087c98

ppapi/native_client/src/untrusted/pnacl_support_extension/pnacl_support_extension.gyp

@@ -23,6 +23,7 @@
       'action': [
         'python',
         '<(DEPTH)/native_client/build/package_version/package_version.py',
+        '--quiet',
         '--packages', 'pnacl_translator',
         '--tar-dir', '<(DEPTH)/native_client/toolchain/.tars',
         '--dest-dir', '<(SHARED_INTERMEDIATE_DIR)',