[noto_lint] flush() stdout after each warning message.
[noto_lint] flush() stdout after each warning message.

This helps with reading the output with the 'tail' command as it's
being generated when it's redirected to a file.

moyogo/nototools,pahans/nototools,anthrotype/nototools,davelab6/nototools,moyogo/nototools,pahans/nototools,googlefonts/nototools,namemealrady/nototools,namemealrady/nototools,dougfelt/nototools,googlei18n/nototools,davelab6/nototools,googlefonts/nototools,googlefonts/nototools,namemealrady/nototools,googlei18n/nototools,googlefonts/nototools,davelab6/nototools,anthrotype/nototools,pathumego/nototools,pathumego/nototools,googlei18n/nototools,pathumego/nototools,moyogo/nototools,dougfelt/nototools,googlefonts/nototools,anthrotype/nototools,pahans/nototools,dougfelt/nototools