sst: use literal module name for stats group

- prevent conflicts with global exports

src/modules/sst/sst.c

@@ -152,7 +152,7 @@ static int mod_init(void)
 #ifdef STATISTICS
 	/* register statistics */
 	if(sst_enable_stats != 0) {
-		if(register_module_stats(exports.name, mod_stats) != 0) {
+		if(register_module_stats("sst", mod_stats) != 0) {
 			LM_ERR("failed to register core statistics\n");
 			return -1;
 		}