Issue #8086: In :func:`ssl.DER_cert_to_PEM_cert()`, fix missing newline
before the certificate footer.  Patch by Kyle VanderBeek.
diff --git a/Lib/ssl.py b/Lib/ssl.py
index bfeb559..96b6281 100644
--- a/Lib/ssl.py
+++ b/Lib/ssl.py
@@ -365,7 +365,7 @@
         # preferred because older API gets line-length wrong
         f = base64.standard_b64encode(der_cert_bytes)
         return (PEM_HEADER + '\n' +
-                textwrap.fill(f, 64) +
+                textwrap.fill(f, 64) + '\n' +
                 PEM_FOOTER + '\n')
     else:
         return (PEM_HEADER + '\n' +