Free obj->priv field in obj_free functions. This field is NULL

on all architectures except ia64, which uses it to keep function
description table.

libexec/rtld-elf/map_object.c

@@ -299,6 +299,7 @@ obj_free(Obj_Entry *obj)
 	STAILQ_REMOVE_HEAD(&obj->dagmembers, link);
 	free(elm);
     }
+    free(obj->priv);
     free(obj);
 }