this bug found by Travis Cross and reported via mailing list. Thank you

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@10051 d0543943-73ff-0310-b7d9-9358b9ac24b2

conf/dialplan/default.xml

@@ -15,7 +15,7 @@
   <context name="default">
 
     <extension name="unloop">
-      <condition field="${unroll_loops}" expression="^true$"/>
+      <condition field="$${unroll_loops}" expression="^true$"/>
       <condition field="${sip_looped_call}" expression="^true$">
 	<action application="deflect" data="${destination_number}"/>
       </condition>

conf/dialplan/public.xml

@@ -14,7 +14,7 @@
   <context name="public">
 
     <extension name="unloop">
-      <condition field="${unroll_loops}" expression="^true$"/>
+      <condition field="$${unroll_loops}" expression="^true$"/>
       <condition field="${sip_looped_call}" expression="^true$">
 	<action application="deflect" data="${destination_number}"/>
       </condition>