vircgroup: Fix build issue on mingw cross compile

Commit id 'ba1dfc5b' added virCgroupSetCpusetMemoryMigrate and
virCgroupGetCpusetMemoryMigrate, but did not add the corresponding
entry points into the "#else /* !VIR_CGROUP_SUPPORTED */" section

src/util/vircgroup.c

@@ -4419,6 +4419,26 @@ virCgroupGetCpusetMems(virCgroupPtr group ATTRIBUTE_UNUSED,
 }
 
 
+int
+virCgroupSetCpusetMemoryMigrate(virCgroupPtr group ATTRIBUTE_UNUSED,
+                                bool migrate ATTRIBUTE_UNUSED)
+{
+    virReportSystemError(ENOSYS, "%s",
+                         _("Control groups not supported on this platform"));
+    return -1;
+}
+
+
+int
+virCgroupGetCpusetMemoryMigrate(virCgroupPtr group ATTRIBUTE_UNUSED,
+                                bool *migrate ATTRIBUTE_UNUSED)
+{
+    virReportSystemError(ENOSYS, "%s",
+                         _("Control groups not supported on this platform"));
+    return -1;
+}
+
+
 int
 virCgroupSetCpusetCpus(virCgroupPtr group ATTRIBUTE_UNUSED,
                        const char *cpus ATTRIBUTE_UNUSED)