The ram save state notifier callback, for example the free page
optimization offerred by virtio-balloon, may need to check if
postcopy is in use, so move migrate_postcopy() to the outside header.

Signed-off-by: Wei Wang <wei.w.wang@intel.com>
CC: Dr. David Alan Gilbert <dgilbert@redhat.com>
CC: Juan Quintela <quintela@redhat.com>
CC: Michael S. Tsirkin <mst@redhat.com>
CC: Peter Xu <peterx@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
---
 include/migration/misc.h | 1 +
 migration/migration.h    | 2 --
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/migration/misc.h b/include/migration/misc.h
index 67cb275..06b816f 100644
--- a/include/migration/misc.h
+++ b/include/migration/misc.h
@@ -70,6 +70,7 @@ bool migration_has_failed(MigrationState *);
 /* ...and after the device transmission */
 bool migration_in_postcopy_after_devices(MigrationState *);
 void migration_global_dump(Monitor *mon);
+bool migrate_postcopy(void);
 
 /* migration/block-dirty-bitmap.c */
 void dirty_bitmap_mig_init(void);
diff --git a/migration/migration.h b/migration/migration.h
index e413d4d..e1e92ff 100644
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -249,8 +249,6 @@ bool migration_is_blocked(Error **errp);
 bool migration_in_postcopy(void);
 MigrationState *migrate_get_current(void);
 
-bool migrate_postcopy(void);
-
 bool migrate_release_ram(void);
 bool migrate_postcopy_ram(void);
 bool migrate_zero_blocks(void);
-- 
1.8.3.1