Modify find command to support spaces when finding sites list.

Author: malikkotob

phing/tasks/properties.xml

@@ -67,7 +67,7 @@
         <available file="${docroot}/sites"/>
         <then>
           <!-- Find directories in ${docroot}/sites/*/ and format into a comma-separated list. Exclude ${docroot}/sites/g. -->
-          <exec command="find ${docroot}/sites/* -maxdepth 0 -type d | grep -v -e '${docroot}/sites/g$' | sed -e 's%${docroot}/sites/%%g' -e '2,$s%^%,%' | tr -d '\n'"
+          <exec command="find '${docroot}/sites' -depth 1 -type d | grep -v -e '${docroot}/sites/g$' | sed -e 's%${docroot}/sites/%%g' -e '2,$s%^%,%' | tr -d '\n'"
                 outputProperty="multisite.name" logoutput="false" checkreturn="true"/>
         </then>
         <else>