Fix 5.1 build error.

storage/innodb_plugin/include/btr0cur.h

@@ -618,7 +618,7 @@ enum btr_cur_method {
 				hash_node, and might be necessary to
 				update */
 	BTR_CUR_BINARY,		/*!< success using the binary search */
-	BTR_CUR_INSERT_TO_IBUF,	/*!< performed the intended insert to
+	BTR_CUR_INSERT_TO_IBUF	/*!< performed the intended insert to
 				the insert buffer */
 };
 

storage/innodb_plugin/include/trx0types.h

@@ -70,7 +70,7 @@ typedef struct trx_named_savept_struct trx_named_savept_t;
 enum trx_rb_ctx {
 	RB_NONE = 0,	/*!< no rollback */
 	RB_NORMAL,	/*!< normal rollback */
-	RB_RECOVERY,	/*!< rolling back an incomplete transaction,
+	RB_RECOVERY	/*!< rolling back an incomplete transaction,
 			in crash recovery */
 };