add another place holder for the rails image_tag snippet

Martin Grenfell · Martin Grenfell · commit c8439becce24 · 2009-06-17T17:46:34.000+12:00
diff --git a/eruby-rails/it.snippet b/eruby-rails/it.snippet
@@ -1 +1 @@
-<%= image_tag "${1}" %>
+<%= image_tag "${1}"${2} %>
