Ignore ctypes leaks, but add a test case so we do not forget.
diff --git a/Misc/build.sh b/Misc/build.sh
index 3c669a0..5f4aed3 100755
--- a/Misc/build.sh
+++ b/Misc/build.sh
@@ -59,7 +59,7 @@
# test_generators really leaks. Since test_generators probably won't
# be fixed real soon, disable warning about it for now.
# The entire leak report will be mailed if any test not in this list leaks.
-LEAKY_TESTS="test_(capi|cfgparser|charmapcodec|cmd_line|compiler|filecmp|generators|quopri|socket|threaded_import|threadedtempfile|threading|threading_local|urllib2)"
+LEAKY_TESTS="test_(capi|cfgparser|charmapcodec|cmd_line|compiler|ctypes|filecmp|generators|quopri|socket|threaded_import|threadedtempfile|threading|threading_local|urllib2)"
# Change this flag to "yes" for old releases to just update/build the docs.
BUILD_DISABLED="no"