add to build template

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13462 d0543943-73ff-0310-b7d9-9358b9ac24b2

build/modules.conf.in

@@ -15,6 +15,7 @@ applications/mod_expr
 applications/mod_esf
 #applications/mod_easyroute
 applications/mod_fsv
+#applications/mod_nibblebill
 #applications/mod_soundtouch
 #applications/mod_rss
 #applications/mod_snom