Bug #371792 --> JS Error when opening .EML file. patch by mcow@well.com sr=mscott

mail/base/content/phishingDetector.js

@@ -97,10 +97,9 @@ var gPhishingDetector = {
     var folder;
     try {
       folder = aUrl.folder;
-    } catch (ex) {}
-    
       if (folder.server.type == 'nntp' || folder.server.type == 'rss')
         return;
+    } catch (ex) {}
 
     // extract the link nodes in the message and analyze them, looking for suspicious URLs...
     var linkNodes = document.getElementById('messagepane').contentDocument.links;