Fixing Linux build

Author: aras-p

.github/workflows/main.yml

@@ -45,6 +45,7 @@ jobs:
     - uses: actions/checkout@v1
     - name: Ubuntu
       run: |
+        sudo apt-get update && sudo apt-get install -y libxcursor-dev libxi-dev libgl-dev
         mkdir out && cd out
         cmake -DCMAKE_BUILD_TYPE=Release ..
         cd ..