audit: Fix some comments

Fix a comment in virDomainAuditNetDevice.
Fix a typo in comment of qemuPhysIfaceConnect which is
the caller of virDomainAuditNetDevice.
Signed-off-by: NWang Rui <moon.wangrui@huawei.com>

src/conf/domain_audit.c

@@ -318,8 +318,8 @@ virDomainAuditNet(virDomainObjPtr vm,
 
 /**
  * virDomainAuditNetDevice:
- * @vm: domain opening a network-related device
- * @def: details of network device that fd will be tied to
+ * @vmDef: the definition of the VM
+ * @netDef: details of network device that fd will be tied to
  * @device: device being opened (such as /dev/vhost-net,
  * /dev/net/tun, /dev/tanN). Note that merely opening a device
  * does not mean that virDomain owns it; a followup virDomainAuditNet

src/qemu/qemu_command.c

@@ -160,7 +160,7 @@ VIR_ENUM_IMPL(qemuNumaPolicy, VIR_DOMAIN_NUMATUNE_MEM_LAST,
  * qemuPhysIfaceConnect:
  * @def: the definition of the VM (needed by 802.1Qbh and audit)
  * @driver: pointer to the driver instance
- * @net: pointer to he VM's interface description with direct device type
+ * @net: pointer to the VM's interface description with direct device type
  * @qemuCaps: flags for qemu
  * @vmop: VM operation type
  *