Remove VIR_STRDUP usage that sneaked in in the meantime

My hesitation to remove VIR_STRDUP without VIR_STRNDUP resulted
in these being able to sneak in.
Signed-off-by: NJán Tomko <jtomko@redhat.com>
Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>

src/conf/backup_conf.c

@@ -483,9 +483,7 @@ virDomainBackupAlignDisks(virDomainBackupDefPtr def,
             continue;
 
         backupdisk = &def->disks[ndisks++];
-
-        if (VIR_STRDUP(backupdisk->name, domdisk->dst) < 0)
-            return -1;
+        backupdisk->name = g_strdup(domdisk->dst);
 
         if (backup_all &&
             !virStorageSourceIsEmpty(domdisk->src) &&

src/qemu/qemu_monitor_json.c

@@ -5564,8 +5564,7 @@ int qemuMonitorJSONGetMachines(qemuMonitorPtr mon,
                 goto cleanup;
             }
 
-            if (VIR_STRDUP(info->defaultCPU, tmp) < 0)
-                goto cleanup;
+            info->defaultCPU = g_strdup(tmp);
         }
     }