sysutils/twmn: Update to g20190917, unbreak with clang 10

In file included from /usr/local/include/qt5/QtCore/qstring.h:49:
/usr/local/include/qt5/QtCore/qbytearray.h:545:22: error: definition of implicit copy constructor for 'QByteRef' is deprecated because it has a user-declared copy assignment operator [-Werror,-Wdeprecated-copy]
    inline QByteRef &operator=(const QByteRef &c)
                     ^
/usr/local/include/qt5/QtCore/qbytearray.h:563:28: note: in implicit copy constructor for 'QByteRef' first required here
{ Q_ASSERT(i >= 0); return QByteRef(*this, i); }
                           ^

PR:		244251

sysutils/twmn/Makefile

@@ -1,8 +1,7 @@
 # $FreeBSD$
 
 PORTNAME=	twmn
-PORTVERSION=	g20171216
-PORTREVISION=	9
+PORTVERSION=	g20190917
 CATEGORIES=	sysutils
 
 MAINTAINER=	dmgk@FreeBSD.org
@@ -16,7 +15,7 @@ LIB_DEPENDS=	libboost_system.so:devel/boost-libs
 USES=		compiler:c++11-lang qmake qt:5
 USE_GITHUB=	yes
 GH_ACCOUNT=	sboli
-GH_TAGNAME=	5b92ac5
+GH_TAGNAME=	861a323
 USE_QT=		core dbus gui network widgets x11extras buildtools_build
 LDFLAGS+=	-Wl,--as-needed  # see bug#224488
 

sysutils/twmn/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1513803467
-SHA256 (sboli-twmn-g20171216-5b92ac5_GH0.tar.gz) = bd9793942919de021e2c88f69795a2fde11441c5e9153b89a1f96ad1009774cb
-SIZE (sboli-twmn-g20171216-5b92ac5_GH0.tar.gz) = 75071
+TIMESTAMP = 1584535298
+SHA256 (sboli-twmn-g20190917-861a323_GH0.tar.gz) = d6eded8478d7eb49f23e1eb39cccd3d7981f9de7380ba0955abd86e8d2a4fc22
+SIZE (sboli-twmn-g20190917-861a323_GH0.tar.gz) = 75006

sysutils/twmn/files/patch-twmnd_twmnd.pro

@@ -0,0 +1,12 @@
+--- twmnd/twmnd.pro.orig	2019-09-17 23:27:49 UTC
++++ twmnd/twmnd.pro
+@@ -10,7 +10,8 @@ TARGET = twmnd
+ TEMPLATE = app
+ CONFIG += debug
+ DESTDIR = ../bin/
+-QMAKE_CXXFLAGS += -Wall -Werror -pedantic -Wno-long-long
++QMAKE_CXXFLAGS_WARN_ON -= -W
++QMAKE_CXXFLAGS += -Wall -Werror -pedantic -Wno-long-long -Wno-error=deprecated-copy
+ 
+ target.path+=/usr/local/bin
+ INSTALLS += target