multimedia/gaupol: Add needed dependencies

According to the home page.

 * gspell
 * multiple gstreamer plugins

PR:		271181
Reported by:	saper@saper.info
MFH:		2023Q2 (missing dependencies)

multimedia/gaupol/Makefile

@@ -1,7 +1,7 @@
 PORTNAME=	gaupol
 DISTVERSION=	1.4-3
 DISTVERSIONSUFFIX=	-g6116d42b
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	multimedia python
 
 MAINTAINER=	ports@FreeBSD.org
@@ -12,13 +12,15 @@ LICENSE=	GPLv3+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 RUN_DEPENDS=	iso-codes>=0:misc/iso-codes \
+		gspell>=0:textproc/gspell \
 		${PYTHON_PKGNAMEPREFIX}chardet>=0:textproc/py-chardet@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}enchant>=1.5.1:textproc/py-enchant@${PY_FLAVOR}
 
-USES=		desktop-file-utils gnome python:3.2+
+USES=		desktop-file-utils gnome gstreamer: python:3.2+
 USE_GITHUB=	yes
 GH_ACCOUNT=	otsaloma
 USE_GNOME=	gtk30 pygobject3 intltool
+USE_GSTREAMER=	good bad ugly gtk libav pango
 USE_PYTHON=	distutils autoplist py3kplist noflavors
 NO_ARCH=	yes