Correct the rewrite rule for Apache using Polycom.

.htaccess

@@ -15,11 +15,11 @@ RewriteRule     ^.*/provision/cfg([A-Fa-f0-9]{12})(\.(xml|cfg))?$      app/provi
 RewriteRule     ^.*/provision/([A-Fa-f0-9]{12})(\.(xml|cfg))?$         app/provision/index.php?mac=$1 [QSA]
 
 #Polycom
-RewriteRule     ^.*/provision/000000000000.cfg$                       app/provison/?mac=$1&file=%7b%24mac%7d.cfg [QSA]
+RewriteRule     ^.*/provision/000000000000.cfg$                       app/provison/?mac=$1&file={$mac}.cfg [QSA]
 RewriteRule     ^.*/provision/features.cfg$                           app/provision/?mac=$1&file=features.cfg [QSA]
 RewriteRule     ^.*/provision/([A-Fa-f0-9]{12})-sip.cfg$              app/provision/?mac=$1&file=sip.cfg [QSA]
 RewriteRule     ^.*/provision/([A-Fa-f0-9]{12})-phone.cfg$            app/provision/?mac=$1 [QSA]
-RewriteRule     ^.*/provision/([A-Fa-f0-9]{12})-registration.cfg$     app/provision/?mac=$1&file=%7b%24mac%7d-registration.cfg [QSA]
+RewriteRule     ^.*/provision/([A-Fa-f0-9]{12})-registration.cfg$     app/provision/?mac=$1&file={$mac}-registration.cfg [QSA]
 RewriteRule     ^.*/provision/([A-Fa-f0-9]{12})-site.cfg$             app/provision/?mac=$1&file=site.cfg [QSA]
 RewriteRule     ^.*/provision/([A-Fa-f0-9]{12})-web.cfg$              app/provision/?mac=$1&file=web.cfg [QSA]