force use old libusb to compatible with ubuntu18.04

Signed-off-by: Frank Li <[email protected]>

.github/workflows/build.yaml

@@ -35,7 +35,7 @@ jobs:
           git fetch --tags --force # Retrieve annotated tags. #issue 290
           mkdir build
           cd build
-          cmake -D 'STATIC=1' ..
+          if [ "${{ matrix.os }}" == "ubuntu-20.04" ]; then cmake -D 'STATIC=1' -D 'FORCE_OLD=on' .. ; else cmake -D 'STATIC=1' ..; fi;
           make
 
       - name: Upload Build Artifacts