testing using docker to determine an external verison for build time

Dockerfile.aarch64

@@ -32,7 +32,7 @@ RUN \
  if [ -z ${OSCAM_VERSION+x} ]; then \
 	OSCAM_VERSION=$(svn info --show-item revision http://www.streamboard.tv/svn/oscam/trunk ); \
  fi && \
- svn checkout http://www.streamboard.tv/svn/oscam/trunk /tmp/oscam-svn && \
+ svn checkout http://www.streamboard.tv/svn/oscam/trunk@${OSCAM_VERSION} /tmp/oscam-svn && \
  cd /tmp/oscam-svn && \
  ./config.sh \
 	--enable all \