Changed user_variables and sql_sequence to maturity state stable

plugin/user_variables/mysql-test/user_variables/basic.result

@@ -7,7 +7,7 @@ PLUGIN_AUTHOR	Sergey Vojtovich
 PLUGIN_DESCRIPTION	User-defined variables
 PLUGIN_LICENSE	GPL
 LOAD_OPTION	ON
-PLUGIN_MATURITY	Gamma
+PLUGIN_MATURITY	Stable
 SHOW CREATE TABLE INFORMATION_SCHEMA.USER_VARIABLES;
 Table	Create Table
 user_variables	CREATE TEMPORARY TABLE `user_variables` (

plugin/user_variables/user_variables.cc

@@ -135,6 +135,6 @@ maria_declare_plugin(user_variables)
   NULL,
   NULL,
   "1.0",
-  MariaDB_PLUGIN_MATURITY_GAMMA
+  MariaDB_PLUGIN_MATURITY_STABLE
 }
 maria_declare_plugin_end;

sql/ha_sequence.cc

@@ -443,6 +443,6 @@ maria_declare_plugin(sql_sequence)
   NULL,                       /* status variables                */
   NULL,                       /* system variables                */
   "1.0",                      /* string version                  */
-  MariaDB_PLUGIN_MATURITY_ALPHA /* maturity                     */
+  MariaDB_PLUGIN_MATURITY_STABLE /* maturity                     */
 }
 maria_declare_plugin_end;