Fix #397 WP 3.8.1 Fingerprint

data/wp_versions.xml

@@ -10,6 +10,12 @@
 <wp-versions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xsi:noNamespaceSchemaLocation="wp_versions.xsd">
 
+  <file src="wp-includes/css/buttons-rtl.css">
+    <hash md5="fb062ed92b76638c161e80f4a5426586">
+      <version>3.8.1</version>
+    </hash>
+  </file>
+
   <file src="wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin_src.js">
     <hash md5="4de9f6b1aafe968e8509ffe7ee9bc973">
       <version>3.8</version>

dev/wp-versions.rb

@@ -176,7 +176,7 @@ end
 
 if @version
   if version = Version.first(number: @version)
-    repository(:default).adapter.select('SELECT md5_hash, path_id, version_id, paths.value AS path FROM fingerprints LEFT JOIN paths ON path_id = id GROUP BY md5_hash ORDER BY path ASC').each do |f|
+    repository(:default).adapter.select('SELECT md5_hash, path_id, version_id, paths.value AS path FROM fingerprints LEFT JOIN paths ON path_id = id WHERE md5_hash NOT IN (SELECT DISTINCT md5_hash FROM fingerprints WHERE version_id != ?) ORDER BY path ASC', version.id).each do |f|
       if f.version_id == version.id
         puts "#{f.md5_hash} #{f.path}"
       end