Index: src/org/openstreetmap/josm/io/FileImporter.java
===================================================================
--- src/org/openstreetmap/josm/io/FileImporter.java	(revision 6091)
+++ src/org/openstreetmap/josm/io/FileImporter.java	(working copy)
@@ -104,7 +104,7 @@
 
     @Override
     public int compareTo(FileImporter other) {
-        return (new Double(this.getPriority())).compareTo(other.getPriority());
+        return Double.compare(this.getPriority(), other.getPriority());
     }
 
     public static CBZip2InputStream getBZip2InputStream(InputStream in) throws IOException {