when a lifecycle is forked, we end up getting multiple finerprint actions

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@34832 71c3de6d-444a-0410-be80-ed276b4c234a

maven-plugin/src/main/java/hudson/maven/reporters/MavenFingerprinter.java

@@ -110,7 +110,9 @@ public class MavenFingerprinter extends MavenReporter {
                 all.putAll(p);
 
                 // add action
-                build.getActions().add(new FingerprintAction(build,all));
+                FingerprintAction fa = build.getAction(FingerprintAction.class);
+                if (fa!=null)   fa.add(all);
+                else            build.getActions().add(new FingerprintAction(build,all));
                 return null;
             }
         });