bug #1154: release memory allocated by "es" PyArg_ParseTuple format specifier.
diff --git a/Mac/Modules/cf/pycfbridge.c b/Mac/Modules/cf/pycfbridge.c
index ae9e128..06700b3 100644
--- a/Mac/Modules/cf/pycfbridge.c
+++ b/Mac/Modules/cf/pycfbridge.c
@@ -285,6 +285,7 @@
 		if (!PyArg_Parse(src, "es", "ascii", &chars))
 			return 0; /* This error is more descriptive than the general one below */
 		*dst = CFStringCreateWithCString((CFAllocatorRef)NULL, chars, kCFStringEncodingASCII);
+		PyMem_Free(chars);
 		return 1;
 	}
 	if (PyUnicode_Check(src)) {