Additional fix for bug#31455.

Exchanging "m_cols" and "m_cols_ai".

Very confusing variable naming :(

sql/log_event.cc

@@ -1862,7 +1862,7 @@ void Rows_log_event::print_verbose(IO_CACHE *file,
                       map->get_db_name(), map->get_table_name());
     /* Print the first image */
     if (!(length= print_verbose_one_row(file, td, print_event_info,
-                                  &m_cols_ai, value,
+                                  &m_cols, value,
                                   (const uchar*) sql_clause1)))
       goto end;
     value+= length;
@@ -1871,7 +1871,7 @@ void Rows_log_event::print_verbose(IO_CACHE *file,
     if (sql_clause2)
     {
       if (!(length= print_verbose_one_row(file, td, print_event_info,
-                                      &m_cols, value,
+                                      &m_cols_ai, value,
                                       (const uchar*) sql_clause2)))
         goto end;
       value+= length;