#13163: fix names of _get_socket args

This was already done in Python3, but having it wrong leads to
incorrect debug output, so it seems worth fixing in 2.7 as well.

Patch by Victor TerrĂ³n.
diff --git a/Misc/NEWS b/Misc/NEWS
index 70dd410..ab655eb 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
 Library
 -------
 
+- Issue #13163: Rename operands in smtplib.SMTP._get_socket to correct names;
+  fixes otherwise misleading output in tracebacks and when when debug is on.
+
 - Issue #6698: IDLE now opens just an editor window when configured to do so.
 
 - Issue #8900: Using keyboard shortcuts in IDLE to open a file no longer