Updated py-yaml to 3.12.

* Wheel packages for Windows binaries.
* Adding an implicit resolver to a derived loader should not affect
  the base loader (fixes issue #57).
* Uniform representation for OrderedDict across different versions
  of Python (fixes issue #61).
* Fixed comparison to None warning (closes issue #64).

textproc/py-yaml/Makefile

@@ -1,6 +1,6 @@
-# $NetBSD: Makefile,v 1.15 2016/07/02 09:30:54 wiz Exp $
+# $NetBSD: Makefile,v 1.16 2016/09/01 17:01:46 wiz Exp $
 
-DISTNAME=	PyYAML-3.11
+DISTNAME=	PyYAML-3.12
 PKGNAME=	${PYPKGPREFIX}-${DISTNAME:S/PyYAML/yaml/}
 CATEGORIES=	textproc python
 MASTER_SITES=	http://pyyaml.org/download/pyyaml/

textproc/py-yaml/distinfo

@@ -1,7 +1,7 @@
-$NetBSD: distinfo,v 1.7 2015/11/04 02:00:05 agc Exp $
+$NetBSD: distinfo,v 1.8 2016/09/01 17:01:46 wiz Exp $
 
-SHA1 (PyYAML-3.11.tar.gz) = 1a2d5df8b31124573efb9598ec6d54767f3c4cd4
-RMD160 (PyYAML-3.11.tar.gz) = 9515e7573c7e021190198b242a415f2b55d50938
-SHA512 (PyYAML-3.11.tar.gz) = 76de005f59e1842108399af53178cfac2c08ee5cc996cc38ab6ec8b046c6b894422c461a1f1ed1df91abf96f154d41170227912cae7336cff88adfd3c0e8d783
-Size (PyYAML-3.11.tar.gz) = 248685 bytes
+SHA1 (PyYAML-3.12.tar.gz) = cb7fd3e58c129494ee86e41baedfec69eb7dafbe
+RMD160 (PyYAML-3.12.tar.gz) = 8134421eb1b091ca3ee66ddf8d385f92069e7b73
+SHA512 (PyYAML-3.12.tar.gz) = e16d8b7f4f026b6a95b11fb59c54ec5f114f6f516294eaa95e718abdf5d37c17a9c4b5e0a0a61fca04e801792d9b7fb801087cf849ff22b9581f6af204b1883a
+Size (PyYAML-3.12.tar.gz) = 253011 bytes
 SHA1 (patch-setup.py) = 8718125829210a220c8eaf2d87744cc05f024b38