Bug 657462: don't select the first item in the download manager automatically, r=dolske

--HG--
extra : transplant_source : %E04%E4x%1Dh%EC%14%B7%8D%9C%19%AA%20%21%81R%F1n%CE

toolkit/mozapps/downloads/content/downloads.js

@@ -1159,7 +1159,6 @@ function buildDownloadList(aForceBuild)
   gBuilder = setTimeout(function() {
     // Start building the list and select the first item
     stepListBuilder(1);
-    gDownloadsView.selectedIndex = 0;
 
     // We just tried to add a single item, so we probably need to enable
     updateClearListButton();