bug 42854, r = ben, checking patch from gemal@gemal.dk to change download progress dialog to not have OK button

xpfe/components/xfer/resources/downloadProgress.xul

@@ -23,6 +23,7 @@ Rights Reserved.
 Contributor(s):
   Ben Goodger <ben@netscape.com>
   Blake Ross <BlakeR1234@aol.com>
+  Henrik Gemal <gemal@gemal.dk>
 
  -->
 
@@ -109,6 +110,10 @@ Contributor(s):
     
     <separator/>
     
-    <box id="okCancelButtonsRight"/>        
+    <box id="CancelButton">
+      <spring flex="1"/>
+      <button class="dialog" id="cancel" value="&dialogCancel.label;" onclick="doCancelButton()"/>
+      <spring flex="1"/>
+    </box>
 
 </window>