Add migration_end function

Signed-off-by: Orit Wasserman <owasserm@redhat.com>
diff --git a/arch_init.c b/arch_init.c
index 78b3c0c..f106928 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -304,6 +304,11 @@
     g_free(blocks);
 }
 
+static void migration_end(void)
+{
+    memory_global_dirty_log_stop();
+}
+
 int ram_save_live(QEMUFile *f, int stage, void *opaque)
 {
     ram_addr_t addr;
@@ -313,7 +318,7 @@
     int ret;
 
     if (stage < 0) {
-        memory_global_dirty_log_stop();
+        migration_end();
         return 0;
     }