kernel/module.c: fix an unused goto label

Impact: cleanup

Label 'free_init' is only used when defined(CONFIG_MODULE_UNLOAD) &&
defined(CONFIG_SMP), so move it inside to shut up gcc.
Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

kernel/module.c

@@ -2319,8 +2319,8 @@ static noinline struct module *load_module(void __user *umod,
 	ftrace_release(mod->module_core, mod->core_size);
  free_unload:
 	module_unload_free(mod);
- free_init:
 #if defined(CONFIG_MODULE_UNLOAD) && defined(CONFIG_SMP)
+ free_init:
 	percpu_modfree(mod->refptr);
 #endif
 	module_free(mod, mod->module_init);