Correct a function comment

The comment became stale in commit 9f57e59 which removed the parameter "flags".

Author: dr-m

storage/innobase/include/trx0rec.h

@@ -226,10 +226,8 @@ trx_undo_report_row_operation(
 marking, the record in the clustered
 index, otherwise NULL */
 const ulint*offsets,/*!< in: rec_get_offsets(rec) */
-roll_ptr_t*roll_ptr)/*!< out: rollback pointer to the
-inserted undo log record,
-0 if BTR_NO_UNDO_LOG
-flag was specified */
+roll_ptr_t*roll_ptr)/*!< out: DB_ROLL_PTR to the
+undo log record */
 MY_ATTRIBUTE((nonnull(1,2,8), warn_unused_result));
 /******************************************************************//**
 Copies an undo record to heap. This function can be called if we know that

storage/innobase/trx/trx0rec.cc

@@ -1220,10 +1220,8 @@ trx_undo_report_row_operation(
 marking, the record in the clustered
 index, otherwise NULL */
 const ulint*	offsets,/*!< in: rec_get_offsets(rec) */
-roll_ptr_t*	roll_ptr)/*!< out: rollback pointer to the
-inserted undo log record,
-0 if BTR_NO_UNDO_LOG
-flag was specified */
+roll_ptr_t*	roll_ptr)/*!< out: DB_ROLL_PTR to the
+undo log record */
 {
 trx_t*	trx;
 trx_undo_t*	undo;

storage/xtradb/include/trx0rec.h

@@ -226,10 +226,8 @@ trx_undo_report_row_operation(
 marking, the record in the clustered
 index, otherwise NULL */
 const ulint*offsets,/*!< in: rec_get_offsets(rec) */
-roll_ptr_t*roll_ptr)/*!< out: rollback pointer to the
-inserted undo log record,
-0 if BTR_NO_UNDO_LOG
-flag was specified */
+roll_ptr_t*roll_ptr)/*!< out: DB_ROLL_PTR to the
+undo log record */
 MY_ATTRIBUTE((nonnull(1,2,8), warn_unused_result));
 /******************************************************************//**
 Copies an undo record to heap. This function can be called if we know that

storage/xtradb/trx/trx0rec.cc

@@ -1221,10 +1221,8 @@ trx_undo_report_row_operation(
 marking, the record in the clustered
 index, otherwise NULL */
 const ulint*	offsets,/*!< in: rec_get_offsets(rec) */
-roll_ptr_t*	roll_ptr)/*!< out: rollback pointer to the
-inserted undo log record,
-0 if BTR_NO_UNDO_LOG
-flag was specified */
+roll_ptr_t*	roll_ptr)/*!< out: DB_ROLL_PTR to the
+undo log record */
 {
 trx_t*	trx;
 trx_undo_t*	undo;