Comment 0 for bug 1059440

All the status/22/indicator-messages-* icons have a 26px width, causing them to look blurry in the panel:
http://cloudfront.omgubuntu.co.uk/wp-content/uploads/2012/09/Screen-Shot-2012-09-19-at-10.34.18.png

Changing the width to 22px makes them as sharp as others panel icons:
http://ubuntuone.com/6n6EHjaUkqEwD3ubhRR9St

Nevertheless, a side effect of this bug is that the envelope is not centered anymore when the menu is open.