conf: Allow copying of shmem defs

This way we'll be able to hotplug with both --live and --config in one
API call.
Signed-off-by: NMartin Kletzander <mkletzan@redhat.com>

src/conf/domain_conf.c

@@ -25019,11 +25019,14 @@ virDomainDeviceDefCopy(virDomainDeviceDefPtr src,
     case VIR_DOMAIN_DEVICE_MEMORY:
         rc = virDomainMemoryDefFormat(&buf, src->data.memory, flags);
         break;
+    case VIR_DOMAIN_DEVICE_SHMEM:
+        rc = virDomainShmemDefFormat(&buf, src->data.shmem, flags);
+        break;
+
     case VIR_DOMAIN_DEVICE_NONE:
     case VIR_DOMAIN_DEVICE_SMARTCARD:
     case VIR_DOMAIN_DEVICE_MEMBALLOON:
     case VIR_DOMAIN_DEVICE_NVRAM:
-    case VIR_DOMAIN_DEVICE_SHMEM:
     case VIR_DOMAIN_DEVICE_IOMMU:
     case VIR_DOMAIN_DEVICE_LAST:
         virReportError(VIR_ERR_INTERNAL_ERROR,