- Update mpv to 0.18.1 release

- Update waf to 1.9.1 release
- Remove unneeded patch

Changelog:
  https://github.com/mpv-player/mpv/releases/tag/v0.18.1

Reviewed by:	junovitch (mentor)
Approved by:	junovitch (mentor)
Differential Revision:	D7171

multimedia/mpv/Makefile

@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	mpv
-PORTVERSION=	0.18.0
+PORTVERSION=	0.18.1
 DISTVERSIONPREFIX=	v
 PORTEPOCH=	1
 CATEGORIES=	multimedia audio
@@ -19,7 +19,7 @@ BUILD_DEPENDS=	rst2man:textproc/py-docutils
 USE_GITHUB=	yes
 GH_ACCOUNT=	mpv-player waf-project:waf
 GH_PROJECT=	waf:waf
-GH_TAGNAME=	waf-1.9.0pre3:waf
+GH_TAGNAME=	waf-1.9.1:waf
 
 WAF_CMD=	${WRKSRC_waf}/waf-light
 

multimedia/mpv/distinfo

@@ -1,5 +1,5 @@
-TIMESTAMP = 1466848940
-SHA256 (mpv-player-mpv-v0.18.0_GH0.tar.gz) = b656638d4f6bce2621baaacb60d8be384aa492fcd86dfd43996aaa2c16fee02b
-SIZE (mpv-player-mpv-v0.18.0_GH0.tar.gz) = 2758960
-SHA256 (waf-project-waf-waf-1.9.0pre3_GH0.tar.gz) = f9adc2059fe6821b21d901ea3795b92610a59e2b2675d42b368388fe32e4d852
-SIZE (waf-project-waf-waf-1.9.0pre3_GH0.tar.gz) = 1396329
+TIMESTAMP = 1468153527
+SHA256 (mpv-player-mpv-v0.18.1_GH0.tar.gz) = e413d57fec4ad43b9f9b848f38d13fb921313fc9a4a64bf1e906c8d0f7a46329
+SIZE (mpv-player-mpv-v0.18.1_GH0.tar.gz) = 2763392
+SHA256 (waf-project-waf-waf-1.9.1_GH0.tar.gz) = c1f8f6db0fa73c55bb603961e7945ecd51925921bc68fb7d567506f0aabd248a
+SIZE (waf-project-waf-waf-1.9.1_GH0.tar.gz) = 1389087

multimedia/mpv/files/patch-audio_mixer.c

@@ -1,13 +0,0 @@
---- audio/mixer.c.orig	2016-03-29 14:12:22 UTC
-+++ audio/mixer.c
-@@ -57,8 +57,8 @@ struct mixer *mixer_init(void *talloc_ct
-     *mixer = (struct mixer) {
-         .log = mp_log_new(mixer, global->log, "mixer"),
-         .opts = global->opts,
--        .vol_l = 100,
--        .vol_r = 100,
-+        .vol_l = -1,
-+        .vol_r = -1,
-         .driver = "",
-     };
-     return mixer;