Add missing QtOpenGL package from apt line.

diff --git a/README b/README
index a9b93450a691d8d4aa002438fce08ec7cab9031c..46be27edc933eca760ee892d8b07474e954381e2 100644 (file)
--- a/README
+++ b/README
@@ -68,7 +68,7 @@ If on Debian stretch or something similar, you can install everything you need
 with:
 
   git submodule update --init
-  apt install qtbase5-dev qt5-default pkg-config libmicrohttpd-dev \
+  apt install qtbase5-dev libqt5opengl5-dev qt5-default pkg-config libmicrohttpd-dev \
     libusb-1.0-0-dev liblua5.2-dev libzita-resampler-dev libva-dev \
     libavcodec-dev libavformat-dev libswscale-dev libavresample-dev \
     libmovit-dev libegl1-mesa-dev libasound2-dev libx264-dev