4047 panic from dbuf_free_range() from dmu_free_object() while doing zfs receive
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>

@@ -1230,11 +1230,11 @@
                 int err;
 
                 if (dmu_object_info(os, obj, NULL) != 0)
                         continue;
 
-                err = dmu_free_object(os, obj);
+                err = dmu_free_long_object(os, obj);
                 if (err != 0)
                         return (err);
         }
         return (0);
 }