spelling error

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8043 d0543943-73ff-0310-b7d9-9358b9ac24b2

conf/lang/en/vm/sounds.xml

@@ -215,7 +215,7 @@
     <input pattern="^(.*)$">
       <match>
 	<action function="say" data="$1" method="pronounced" type="name_spelled"/>
-	<action function="play-file" data="voicemail/vm-not_avaliable.wav"/>
+	<action function="play-file" data="voicemail/vm-not_available.wav"/>
       </match>
     </input>
   </macro>