Fix windows x64 build has old libGLESv2.dll

Also, removes SDL2.dll and libEGL.dll. Get these from msys2 now.

Author: ddennedy

.github/workflows/build-sdk-windows.yml

@@ -79,10 +79,10 @@ jobs:
           FILENAME_VERSION=$VERSION
           pushd "$HOME"
           echo Downloading a few prebuilt dependencies
-          curl -LO --no-progress-meter https://s3.amazonaws.com/misc.meltymedia/shotcut-build/mlt-prebuilt-mingw64-v6.txz
+          curl -LO --no-progress-meter https://s3.amazonaws.com/misc.meltymedia/shotcut-build/mlt-prebuilt-mingw64-v7.txz
           echo Extracting prebuilt dependencies
-          tar -xJf mlt-prebuilt-mingw64-v6.txz
-          rm mlt-prebuilt-mingw64-v6.txz
+          tar -xJf mlt-prebuilt-mingw64-v7.txz
+          rm mlt-prebuilt-mingw64-v7.txz
           CHECKOUT_DIR=$(popd)
           popd
           echo Running the build script

.github/workflows/build-windows.yml

@@ -90,10 +90,10 @@ jobs:
           echo VERSION=$VERSION
           cd "$HOME"
           echo Downloading a few prebuilt dependencies
-          curl -kLO --no-progress-meter https://s3.amazonaws.com/misc.meltymedia/shotcut-build/mlt-prebuilt-mingw64-v6.txz
+          curl -kLO --no-progress-meter https://s3.amazonaws.com/misc.meltymedia/shotcut-build/mlt-prebuilt-mingw64-v7.txz
           echo Extracting prebuilt dependencies
-          tar -xJf mlt-prebuilt-mingw64-v6.txz
-          rm mlt-prebuilt-mingw64-v6.txz
+          tar -xJf mlt-prebuilt-mingw64-v7.txz
+          rm mlt-prebuilt-mingw64-v7.txz
 
       - name: Build
         shell: msys2 {0}