security: unexport mmap_min_addr

Remove unneeded export.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: James Morris <jmorris@namei.org>

security/security.c

@@ -177,5 +177,4 @@ EXPORT_SYMBOL_GPL(register_security);
 EXPORT_SYMBOL_GPL(unregister_security);
 EXPORT_SYMBOL_GPL(mod_reg_security);
 EXPORT_SYMBOL_GPL(mod_unreg_security);
-EXPORT_SYMBOL_GPL(mmap_min_addr);
 EXPORT_SYMBOL(security_ops);