Presence of ABstart property signifies that we do mender image, SystemStart is...

Presence of ABstart property signifies that we do mender image, SystemStart is now present at all times

common.xml

@@ -49,7 +49,7 @@
   <delete file="${builddir}/secondary.img"/>
  </target>
 
- <target name="copy-back-system" if="SystemStart">
+ <target name="copy-back-system" unless="ABstart">
   <exec executable="dd" failonerror="true">
    <arg line="if=${builddir}/secondary.img of=${builddir}/disk.img bs=1048576 count=${SystemStart} conv=notrunc"/>
   </exec>