source RPM): use "mysqladmin ping" instead of grepping the process list 
  for the mysqld binary (should be more portable than relying on the "ps"
  options


support-files/mysql-log-rotate.sh:
  - small improvement (patch found in the SUSE source RPM): use "mysqladmin ping"
    instead of grepping the process list for the mysqld binary (should be more
    portable than relying on the "ps" options