Fix code standard

htdocs/core/modules/mailings/contacts1.modules.php

htdocs/core/modules/mailings/contacts2.modules.php

htdocs/core/modules/mailings/contacts3.modules.php

htdocs/core/modules/mailings/contacts4.modules.php

htdocs/core/modules/mailings/example.modules.php

htdocs/core/modules/mailings/fraise.modules.php

htdocs/core/modules/mailings/framboise.modules.php

htdocs/core/modules/mailings/modules_mailings.php

htdocs/core/modules/mailings/thirdparties.modules.php

htdocs/core/modules/mailings/xinputfile.modules.php

htdocs/core/modules/mailings/xinputuser.modules.php

htdocs/main.inc.php