news/pan: Fix build with llvm16

- Pet portclippy

Sponsored by:	The FreeBSD Foundation

news/pan/Makefile

@@ -21,27 +21,29 @@ LIB_DEPENDS=	libpcre.so:devel/pcre \
 
 USES=		compiler:c++11-lang desktop-file-utils gettext-tools:build \
 		gmake gnome iconv localbase pathfix pkgconfig tar:bzip2
+USE_CXXSTD=	c++14
 USE_GNOME=	cairo gdkpixbuf2 intlhack
+
 GNU_CONFIGURE=	yes
+
 LDFLAGS+=	${ICONV_LIB}
+
 OPTIONS_DEFINE=		GTKSPELL GNUTLS NLS
 OPTIONS_DEFAULT=	GTKSPELL GNUTLS GTK2
 OPTIONS_RADIO=		GTK
 OPTIONS_RADIO_GTK=	GTK2 GTK3
 OPTIONS_SUB=		yes
+
 GTKSPELL_DESC=		Spell checking support (gtk+2 only)
 
 GNUTLS_LIB_DEPENDS=	libgnutls.so:security/gnutls
 GNUTLS_CONFIGURE_WITH=	gnutls
-
-GTK3_CONFIGURE_WITH=	gtk3
-GTK3_USE=		gnome=gtk30
 GTK2_USE=		gnome=gtk20
-
+GTK3_PREVENTS=		GTKSPELL
+GTK3_USE=		gnome=gtk30
+GTK3_CONFIGURE_WITH=	gtk3
 GTKSPELL_LIB_DEPENDS=	libgtkspell.so:textproc/gtkspell
 GTKSPELL_CONFIGURE_WITH=gtkspell
-GTK3_PREVENTS=		GTKSPELL
-
 NLS_USES=	gettext-runtime
 NLS_CONFIGURE_ENABLE=	nls