keep old class versions

ccaillol · ccaillol · commit 8a5841286d33 · 2021-06-08T09:18:12.000+02:00
diff --git a/DataFormats/L1Trigger/src/classes_def.xml b/DataFormats/L1Trigger/src/classes_def.xml
@@ -282,6 +282,7 @@
 
   <class name="l1t::Vertex" ClassVersion="4">
     <version ClassVersion="4" checksum="3366446278"/>
+    <version ClassVersion="3" checksum="514139083"/>
   </class>
   <class name="std::vector<l1t::Vertex>"/>
 
