update XtraDB/InnoDB plugin maturity to match the server

because of encryption changes - make it beta and let
it mature together with the server

storage/innobase/handler/ha_innodb.cc

@@ -19448,7 +19448,7 @@ maria_declare_plugin(innobase)
   innodb_status_variables_export,/* status variables             */
   innobase_system_variables, /* system variables */
   INNODB_VERSION_STR,         /* string version */
-  MariaDB_PLUGIN_MATURITY_STABLE /* maturity */
+  MariaDB_PLUGIN_MATURITY_BETA /* maturity */
 },
 i_s_innodb_trx,
 i_s_innodb_locks,

storage/xtradb/handler/ha_innodb.cc

@@ -20668,7 +20668,7 @@ maria_declare_plugin(xtradb)
   innodb_status_variables_export,/* status variables             */
   innobase_system_variables, /* system variables */
   INNODB_VERSION_STR,         /* string version */
-  MariaDB_PLUGIN_MATURITY_STABLE /* maturity */
+  MariaDB_PLUGIN_MATURITY_BETA /* maturity */
 },
 i_s_xtradb_read_view,
 i_s_xtradb_internal_hash_tables,

storage/xtradb/handler/xtradb_i_s.cc

@@ -176,7 +176,7 @@ UNIV_INTERN struct st_mysql_plugin i_s_xtradb_read_view =
 	STRUCT_FLD(status_vars, NULL),
 	STRUCT_FLD(system_vars, NULL),
 	STRUCT_FLD(version_info, INNODB_VERSION_STR),
-        STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE),
+        STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_BETA),
 };
 
 static ST_FIELD_INFO xtradb_internal_hash_tables_fields_info[] =
@@ -381,7 +381,7 @@ UNIV_INTERN struct st_mysql_plugin i_s_xtradb_internal_hash_tables =
 	STRUCT_FLD(status_vars, NULL),
 	STRUCT_FLD(system_vars, NULL),
 	STRUCT_FLD(version_info, INNODB_VERSION_STR),
-        STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE),
+        STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_BETA),
 };
 
 
@@ -514,5 +514,5 @@ UNIV_INTERN struct st_mysql_plugin	i_s_xtradb_rseg =
 	STRUCT_FLD(status_vars, NULL),
 	STRUCT_FLD(system_vars, NULL),
 	STRUCT_FLD(version_info, INNODB_VERSION_STR),
-        STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_STABLE),
+        STRUCT_FLD(maturity, MariaDB_PLUGIN_MATURITY_BETA),
 };