fix doc block and namespace by @insekticide#10469

fabpot merged 1 commit intosymfony:mastersymfony/symfony:masterfrom

cordoval:10464-symfony-component-console-helper-table-addrow-throws-undefined-exceptioncordoval/symfony:10464-symfony-component-console-helper-table-addrow-throws-undefined-exceptionCopy head branch name to clipboard