let modules see the filename they were called as

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@94 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/mod_skel/mod_skel.c

@@ -42,7 +42,7 @@ static switch_loadable_module_interface skel_module_interface = {
 	/*.application_interface*/	NULL
 };
 
-switch_status switch_module_load(switch_loadable_module_interface **interface) {
+switch_status switch_module_load(switch_loadable_module_interface **interface, char *filename) {
 	/* connect my internal structure to the blank pointer passed to me */
 	*interface = &skel_module_interface;