audio/zrythm: Fix license; Fix link to fftw3*_threads libraries: they weren't linked to due to a bug in meson.build

Reported by:	upstream

audio/zrythm/Makefile

@@ -3,15 +3,17 @@
 PORTNAME=	zrythm
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.8.911
+PORTREVISION=	1
 CATEGORIES=	audio
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Modern music production system, also known as DAW
 
-LICENSE=	GPLv3
+LICENSE=	AGPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	fftw3>0:math/fftw3 \
+		fftw3-float>0:math/fftw3-float \
 		help2man:misc/help2man \
 		kf5-breeze-icons>0:x11-themes/kf5-breeze-icons
 LIB_DEPENDS=	libaudec.so:audio/libaudec \
@@ -48,6 +50,8 @@ USE_XORG=	x11
 GLIB_SCHEMAS=	org.zrythm.Zrythm.gschema.xml
 INSTALLS_ICONS=	yes
 
+LDFLAGS+=	${LOCALBASE}/lib/libfftw3_threads.so ${LOCALBASE}/lib/libfftw3f_threads.so # these libs are required but aren't returned by pkg-config for fftw3
+
 BINARY_ALIAS=	git=false python3=${PYTHON_CMD}
 
 post-patch: # https://git.zrythm.org/zrythm/zrythm/issues/299

audio/zrythm/files/patch-meson.build

@@ -1,3 +1,5 @@
+Workaround for the bug in meson.build: fftw3_threads and fftw3f_threads libraries aren't returned by pkg-config
+
 --- meson.build.orig	2020-06-06 18:03:44 UTC
 +++ meson.build
 @@ -638,8 +638,8 @@ zrythm_deps = [

audio/zrythm/files/patch-src_main.c

@@ -1,13 +0,0 @@
---- src/main.c.orig	2020-05-26 06:54:40 UTC
-+++ src/main.c
-@@ -505,8 +505,8 @@ main (int    argc,
- 
-   /* init fftw */
-   g_message ("Making fftw planner thread safe...");
--  fftw_make_planner_thread_safe ();
--  fftwf_make_planner_thread_safe ();
-+  //fftw_make_planner_thread_safe ();
-+  //fftwf_make_planner_thread_safe ();
- 
-   /* init audio decoder */
-   g_message ("Initing audio decoder...");