djview: fix .desktop file.

srcpkgs/djview/template

@@ -1,9 +1,10 @@
 # Template file for 'djview'
 pkgname=djview
 version=4.10.6
-revision=1
+revision=2
 build_style=gnu-configure
 build_helper=qmake
+configure_args="QMAKE=qmake-qt5"
 hostmakedepends="qt5-qmake qt5-host-tools pkg-config"
 makedepends="qt5-devel djvulibre-devel libxkbcommon-devel libSM-devel libXt-devel"
 short_desc="Portable DjVu viewer and browser plugin"
@@ -16,3 +17,9 @@ checksum=8446f3cd692238421a342f12baa365528445637bffb96899f319fe762fda7c21
 if [ "${CROSS_BUILD}" ]; then
 	configure_args+=" ac_cv_path_QMAKE=${XBPS_WRAPPERDIR}/qmake-qt5"
 fi
+
+post_extract() {
+	vsed -i -e '/Exec/s/djview4/djview/' \
+		-e '/StartupWMClass/s/Djview4/DjView/' \
+		 desktopfiles/djvulibre-djview4.desktop
+}