"fix" for regression bug #190153.

clicking in addressing widget (in reply or edit mailing list dialog)
duplicates the first address.

regression caused by the band-aid for #90337.

thanks to neil for this patch.

r/sr=sspitzer,a=blizzard

mailnews/addrbook/resources/content/abMailListDialog.js

@@ -444,6 +444,10 @@ function awAppendNewRow(setFocus)
     if ( input && input.length == 1 )
     {
       input[0].setAttribute("value", "");
+      // XXX TODO
+      // band-aid for bug #190153 which was caused by a
+      // band-aid for #90337
+      input[0].value = "";
       input[0].setAttribute("id", "addressCol1#" + top.MAX_RECIPIENTS);
       
       if (input[0].getAttribute('focused') != '')

mailnews/compose/resources/content/addressingWidgetOverlay.js

@@ -541,6 +541,10 @@ function awAppendNewRow(setFocus)
     if ( input && input.length == 1 )
     {
       input[0].setAttribute("value", "");
+      // XXX TODO
+      // band-aid for bug #190153 which was caused by a
+      // band-aid for #90337
+      input[0].value = "";
       input[0].setAttribute("id", "addressCol2#" + top.MAX_RECIPIENTS);
     
       //this copies the autocomplete sessions list from recipient#1