desktop: upgrade requirements.

profiles/desktop/package.accept_keywords

@@ -50,6 +50,7 @@ app-forensics/chkrootkit ~amd64
 <app-text/libwpg-0.4 ~amd64
 <app-text/libwps-0.5 ~amd64
 <app-text/libodfgen-0.2 ~amd64
+<app-text/poppler-0.63 ~amd64
 <app-text/ps2pkm-1.9 ~amd64
 <app-text/texlive-2018 ~amd64
 <app-text/texlive-core-2018 ~amd64
@@ -99,6 +100,7 @@ app-forensics/chkrootkit ~amd64
 <dev-qt/qtquickcontrols-5.10 ~amd64
 <dev-qt/qtquickcontrols2-5.10 ~amd64
 <dev-qt/qtscript-5.10 ~amd64
+<dev-qt/qtsql-5.10 ~amd64
 <dev-qt/qtsvg-5.10 ~amd64
 <dev-qt/qttest-5.10 ~amd64
 <dev-qt/qtwidgets-5.10 ~amd64

profiles/desktop/package.use

@@ -51,7 +51,7 @@ media-gfx/blender colorio cycles ffmpeg tiff
 media-gfx/gimp pdf svg tiff
 media-gfx/imagemagick svg
 media-libs/avidemux-core vaapi
-media-libs/avidemux-plugins qt4
+media-libs/avidemux-plugins qt5
 media-libs/freetype -cleartype_hinting
 media-libs/gd fontconfig
 media-libs/harfbuzz icu
@@ -73,7 +73,7 @@ media-sound/audacity mp3
 media-sound/audacious gtk3 mp3
 media-tv/v4l-utils qt4
 media-tv/kodi vaapi
-media-video/avidemux qt4 vaapi
+media-video/avidemux qt5 vaapi
 media-video/ffmpeg aacplus faac libv4l mp3 schroedinger theora vaapi
 media-video/ffmpegthumbnailer gnome gtk
 media-video/mpv encode -lua -luajit vaapi