openbsd_network: Add function pointer casts.

To appease Clang.

src/libs/compat/openbsd_network/compat/dev/pci/pcivar.h

@@ -117,7 +117,7 @@ pci_intr_establish_openbsd(device_t dev, pci_intr_handle_t ih, int level,
 		flags |= INTR_MPSAFE;
 
 	void* ihp = NULL;
-	bus_setup_intr(dev, irq, flags, NULL, func, arg, &ihp);
+	bus_setup_intr(dev, irq, flags, NULL, (driver_intr_t*)func, arg, &ihp);
 	return ihp;
 }
 

src/libs/compat/openbsd_network/compat/sys/task.h

@@ -20,7 +20,7 @@ struct taskq {
 static void
 task_set(struct task *t, void (*fn)(void *), void *arg)
 {
-	TASK_INIT(t, 0, fn, arg);
+	TASK_INIT(t, 0, (task_fn_t*)fn, arg);
 }