Ignore process reaper (forked subprocess on unixish systems).

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1372731 13f79535-47bb-0310-9956-ffa450edef68

lucene/test-framework/src/java/org/apache/lucene/util/QuickPatchThreadsFilter.java

@@ -35,6 +35,11 @@ public class QuickPatchThreadsFilter implements ThreadFilter {
     if (t.getName().equals("MemoryPoolMXBean notification dispatcher")) {
       return true;
     }
+    
+    // forked process reaper on Unixish systems
+    if (t.getName().equals("process reaper")) {
+      return true;
+    }
 
     return false;
   }