Fix some warnings

src/main/condition.c

@@ -596,6 +596,8 @@ static liHandlerResult li_condition_check_eval_bool(liVRequest *vr, liCondition
 	case LI_COND_VALUE_HINT_SOCKADDR:
 		val = TRUE; /* just.. don't do this. */
 		break;
+	default:
+		return LI_HANDLER_ERROR;
 	}
 
 	*res = !cond->rvalue.b ^ val;

src/main/plugin_core.c

@@ -2024,6 +2024,9 @@ static void plugin_core_prepare_worker(liServer *srv, liPlugin *p, liWorker *wrk
 			ERROR(srv, "couldn't set cpu affinity mask for worker #%u: %s", wrk->ndx, g_strerror(errno));
 		}
 	}
+#else
+	UNUSED(srv);
+	UNUSED(wrk);
 #endif
 }