savevm: Live migration handlers register the struct directly

Notice that the live migration users never unregister, so no problem
about freeing the ops structure.

Signed-off-by: Juan Quintela <quintela@redhat.com>
diff --git a/vl.c b/vl.c
index 8904db1..54e36ed 100644
--- a/vl.c
+++ b/vl.c
@@ -3437,8 +3437,7 @@
     default_drive(default_sdcard, snapshot, machine->use_scsi,
                   IF_SD, 0, SD_OPTS);
 
-    register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
-                         ram_load, NULL);
+    register_savevm_live(NULL, "ram", 0, 4, &savevm_ram_handlers, NULL);
 
     if (nb_numa_nodes > 0) {
         int i;