obs-studio: Fixup deps

Currently doesn't build with fdk-aac-2, will revert when resolved.
Made qt5 deps more explicit to match what's in the cmakefiles

media-video/obs-studio/obs-studio-9999.ebuild

@@ -34,7 +34,7 @@ RDEPEND="
 	x11-libs/libXrandr
 	x11-libs/libxcb
 	alsa? ( media-libs/alsa-lib )
-	fdk? ( media-libs/fdk-aac )
+	fdk? ( <media-libs/fdk-aac-2 )
 	imagemagick? ( media-gfx/imagemagick )
 	!imagemagick? ( virtual/ffmpeg )
 	jack? ( media-sound/jack-audio-connection-kit )
@@ -43,6 +43,7 @@ RDEPEND="
 	python? ( ${PYTHON_DEPS} )
 	qt5? (
 		dev-qt/qtcore:5
+		dev-qt/qtgui:5
 		dev-qt/qtwidgets:5
 		dev-qt/qtx11extras:5
 	)