picom: Update to 8.1

Changes:
    Fixed yshui/picom#470 yshui/picom#471 yshui/picom#474 yshui/picom#465
    Worked around yshui/picom#301
    Fixed specifying a window id with the picom-trans script
    Fixed minor memory leaks

x11/picom/Makefile

@@ -1,6 +1,6 @@
-# $NetBSD: Makefile,v 1.3 2020/05/22 19:46:34 rillig Exp $
+# $NetBSD: Makefile,v 1.4 2020/10/03 09:23:41 nia Exp $
 
-DISTNAME=	picom-8
+DISTNAME=	picom-8.1
 CATEGORIES=	x11
 MASTER_SITES=	${MASTER_SITE_GITHUB:=yshui/}
 GITHUB_TAG=	v${PKGVERSION_NOREV}

x11/picom/distinfo

@@ -1,9 +1,9 @@
-$NetBSD: distinfo,v 1.3 2020/05/02 11:42:13 tnn Exp $
+$NetBSD: distinfo,v 1.4 2020/10/03 09:23:41 nia Exp $
 
-SHA1 (picom-8.tar.gz) = 9dacc23864ec52a859522e9ac3c66cc171c89dec
-RMD160 (picom-8.tar.gz) = 8a788bbadc0c21585e56fd1e433f4b4425b0dce8
-SHA512 (picom-8.tar.gz) = 154dd42dea16aca463e7d7f9913a8f10740df892bfdda2fee210a94b13c8eaf6201b35e505daf45075fdb1980bb9b85adf170b649702c1b1e2fcdc1d88406b4a
-Size (picom-8.tar.gz) = 242059 bytes
+SHA1 (picom-8.1.tar.gz) = 16dc443d77f171af15b4748578327127e16eb4fc
+RMD160 (picom-8.1.tar.gz) = 420d44e3f33a2fd727ad6dd2794cf6cb82d7baf9
+SHA512 (picom-8.1.tar.gz) = d1d0428e5761db6820c775c07b966b5fec6a9e9d049ba9f555eb49721f855a018df7242ef61e29c0ea003644b20e1bb733ddf668053a8d4040240e98707fa4d3
+Size (picom-8.1.tar.gz) = 242262 bytes
 SHA1 (patch-src_backend_gl_gl__common.c) = fac2914b6a5b61a6a3c51117ce65eb632923fd83
 SHA1 (patch-src_compiler.h) = 6d659359b70528bd5e6bdd98479502ebd4881976
 SHA1 (patch-src_utils.h) = 31f422592b5f9d232d26f437808b64dc2fb4c0f2