add syntax field to the api interface struct.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3000 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_dptools/mod_dptools.c

@@ -133,6 +133,7 @@ static switch_api_interface_t dptools_api_interface = {
 	/*.interface_name */ "strftime",
 	/*.desc */ "strftime",
 	/*.function */ strftime_api_function,
+	/*.syntax */ NULL,
 	/*.next */ NULL
 };