[libc++] Add missing sitedir to local Lit config

It relied on the site dir being added by a previous config file.

diff --git a/libcxx/test/libcxx/selftest/newformat/lit.local.cfg b/libcxx/test/libcxx/selftest/newformat/lit.local.cfg
index 8789ca4..0f75e02 100644 (file)
--- a/libcxx/test/libcxx/selftest/newformat/lit.local.cfg
+++ b/libcxx/test/libcxx/selftest/newformat/lit.local.cfg
@@ -1,3 +1,6 @@
+import os
+import site
+site.addsitedir(os.path.join(os.path.dirname(__file__), '..', '..', '..', '..', 'utils'))
 import libcxx.test.newformat
 
 if not isinstance(config.test_format, libcxx.test.newformat.CxxStandardLibraryTest):