small cleanup: udf_init()/udf_free() calls

sql/mysqld.cc

@@ -1813,12 +1813,7 @@ void clean_up(bool print_message)
   item_user_lock_free();
   lex_free();				/* Free some memory */
   item_create_cleanup();
-  if (!opt_noacl)
-  {
-#ifdef HAVE_DLOPEN
   udf_free();
-#endif
-  }
   table_def_start_shutdown();
   plugin_shutdown();
   ha_end();
@@ -5005,12 +5000,7 @@ int mysqld_main(int argc, char **argv)
   if (!opt_bootstrap)
     servers_init(0);
 
-  if (!opt_noacl)
-  {
-#ifdef HAVE_DLOPEN
   udf_init();
-#endif
-  }
 
   init_status_vars();
   if (opt_bootstrap) /* If running with bootstrap, do not start replication. */

sql/sql_udf.cc

@@ -142,7 +142,7 @@ void udf_init()
   DBUG_ENTER("ufd_init");
   char db[]= "mysql"; /* A subject to casednstr, can't be constant */
 
-  if (initialized)
+  if (initialized || opt_noacl)
     DBUG_VOID_RETURN;
 
 #ifdef HAVE_PSI_INTERFACE
@@ -267,6 +267,8 @@ void udf_free()
 {
   /* close all shared libraries */
   DBUG_ENTER("udf_free");
+  if (opt_noacl)
+    DBUG_VOID_RETURN;
   for (uint idx=0 ; idx < udf_hash.records ; idx++)
   {
     udf_func *udf=(udf_func*) my_hash_element(&udf_hash,idx);

sql/sql_udf.h

@@ -143,5 +143,8 @@ udf_func *find_udf(const char *name, uint len=0,bool mark_used=0);
 void free_udf(udf_func *udf);
 int mysql_create_function(THD *thd,udf_func *udf);
 int mysql_drop_function(THD *thd,const LEX_STRING *name);
+#else
+static inline void udf_init(void) { }
+static inline void udf_free(void) { }
 #endif
 #endif /* SQL_UDF_INCLUDED */