Detailed revision comments:

r6122 | jyang | 2009-10-30 05:18:38 +0200 (Fri, 30 Oct 2009) | 7 lines
branches/5.1: Chnage WARN_LEVEL_ERROR to WARN_LEVEL_WARN
for push_warning_printf() call in innodb.
Fix Bug#47233: Innodb calls push_warning(MYSQL_ERROR::WARN_LEVEL_ERROR)

rb://170 approved by Marko.