Index: branches/version-2_12-dev/data/class/batch/SC_Batch_Update.php
===================================================================
--- branches/version-2_12-dev/data/class/batch/SC_Batch_Update.php	(revision 21593)
+++ branches/version-2_12-dev/data/class/batch/SC_Batch_Update.php	(revision 21596)
@@ -218,13 +218,13 @@
         // HTML_REALDIR/DATA_REALDIRの判別
         if (preg_match("@\Q".HTML_REALDIR."\E@", $path) > 0) {
-            $dir = str_replace("\\", '/', HTML_REALDIR);
+            $dir = str_replace('\\', '/', HTML_REALDIR);
             $path = preg_replace("@\Q".HTML_REALDIR."\E@", '', $path);
         } elseif (preg_match("@\Q".DATA_REALDIR."\E@", $path) > 0) {
-            $dir = str_replace("\\", '/', DATA_REALDIR);
+            $dir = str_replace('\\', '/', DATA_REALDIR);
             $path = preg_replace("@\Q".DATA_REALDIR."\E@", '', $path);
         } else {
             $dir = '';
         }
-        $arrDirs = explode('/', str_replace("\\", '/', $path));
+        $arrDirs = explode('/', str_replace('\\', '/', $path));
 
         foreach ($arrDirs as $n) {