Update the leaky tests (ie, ignore these tests if they report leaks). This version has been running for a while.
diff --git a/Misc/build.sh b/Misc/build.sh
index de997f5..d6b18f0 100755
--- a/Misc/build.sh
+++ b/Misc/build.sh
@@ -67,7 +67,7 @@
# Note: test_XXX (none currently) really leak, but are disabled
# so we don't send spam. Any test which really leaks should only
# be listed here if there are also test cases under Lib/test/leakers.
-LEAKY_TESTS="test_(cmd_line|popen2|socket|urllib2_localnet)"
+LEAKY_TESTS="test_(cmd_line|popen2|socket|sys|threadsignals|urllib2_localnet)"
# Skip these tests altogether when looking for leaks. These tests
# do not need to be stored above in LEAKY_TESTS too.