[fixed] Appears to be a data corruption, we'd ideally like to find out why it...

[fixed] Appears to be a data corruption, we'd ideally like to find out why it was written first place, but I improved the parsing code In 1.207 so that it can load your data (issue #1537)

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@8487 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/tasks/BuildTrigger.java

@@ -177,6 +177,15 @@ public class BuildTrigger extends Publisher implements DependecyDeclarer, Matrix
         return changed;
     }
 
+    /**
+     * Correct broken data gracefully (#1537)
+     */
+    private Object readResolve() {
+        if(childProjects==null)
+            return childProjects="";
+        return this;
+    }
+
     public Descriptor<Publisher> getDescriptor() {
         return DESCRIPTOR;
     }