Add News entry

pablogsal · pablogsal · commit ca15b737d5a1 · 2018-10-13T19:17:23.000+01:00
diff --git a/Misc/NEWS.d/next/Library/2018-10-13-19-15-23.bpo-34521.YPaiTK.rst b/Misc/NEWS.d/next/Library/2018-10-13-19-15-23.bpo-34521.YPaiTK.rst
@@ -0,0 +1,3 @@
+Use :func:`socket.CMSG_SPACE` to calculate ancillary data size instead of
+:func:`socket.CMSG_LEN` in :func:`multiprocessing.reduction.recvfds` as RFC
+3542 requires the use of the former for portable applications.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	+Use :func:`socket.CMSG_SPACE` to calculate ancillary data size instead of
	`2`	+:func:`socket.CMSG_LEN` in :func:`multiprocessing.reduction.recvfds` as RFC
	`3`	`+3542 requires the use of the former for portable applications.`