app_sqlang: skip registering KSR.pv from global list

- for now is still done with the custom functions from the module

src/modules/app_sqlang/app_sqlang_api.c

@@ -1875,6 +1875,10 @@ SQInteger sqlang_open_KSR(HSQUIRRELVM J)
 	/* registered kemi modules */
 	if(emods_size>1) {
 		for(k=1; k<emods_size; k++) {
+			if(emods[k].kexp == sr_kemi_exports_get_pv()) {
+				LM_DBG("skip registering the core KSR.pv module\n");
+				continue;
+			}
 			n++;
 			_sr_crt_J_KSRMethods = _sr_J_KSRMethods + n;
 			snprintf(mname, 128, "%s", emods[k].kexp[0].mname.s);