dev-qt: Sync metadata with qt overlay

Package-Manager: Portage-3.0.6, Repoman-3.0.1
Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>

dev-qt/qt3d/metadata.xml

@@ -6,8 +6,7 @@
 		<name>Gentoo Qt Project</name>
 	</maintainer>
 	<use>
-		<flag name="gamepad">Add support for gamepad hardware via
-			<pkg>dev-qt/qtgamepad</pkg></flag>
+		<flag name="gamepad">Add support for gamepad hardware via <pkg>dev-qt/qtgamepad</pkg></flag>
 		<flag name="qml">Build QML/QtQuick bindings</flag>
 	</use>
 	<upstream>

dev-qt/qtgui/metadata.xml

@@ -15,6 +15,7 @@
 		<flag name="tuio">Build plugin to receive touch events over the TUIO protocol</flag>
 		<flag name="vulkan">Enable support for Vulkan</flag>
 		<flag name="wayland">Provide <pkg>dev-qt/qtwayland</pkg> to ensure Qt applications can be run as Wayland clients</flag>
+		<flag name="X">Build the XCB platform plugin and enable X11 integration</flag>
 	</use>
 	<upstream>
 		<bugs-to>https://bugreports.qt.io/</bugs-to>

dev-qt/qtmultimedia/metadata.xml

@@ -6,7 +6,7 @@
 		<name>Gentoo Qt Project</name>
 	</maintainer>
 	<use>
-		<flag name="gstreamer">Enable audio support via <pkg>media-libs/gstreamer</pkg> using SLOT 1.0</flag>
+		<flag name="gstreamer">Enable audio support via <pkg>media-libs/gstreamer</pkg></flag>
 		<flag name="qml">Build QML/QtQuick bindings and imports</flag>
 		<flag name="widgets">Build the QtMultimediaWidgets module</flag>
 	</use>

dev-qt/qtwidgets/metadata.xml

@@ -5,6 +5,9 @@
 		<email>qt@gentoo.org</email>
 		<name>Gentoo Qt Project</name>
 	</maintainer>
+	<use>
+		<flag name="gtk">Build the GTK platform theme plugin</flag>
+	</use>
 	<upstream>
 		<bugs-to>https://bugreports.qt.io/</bugs-to>
 		<doc>https://doc.qt.io/</doc>