zplane updates vielklang to v1.5.3

zplane has updated the automatic harmony plug-in vielklang to version 1.5.3. This maintenance update ensures Logic 9 and Mac OS X 10.6 (Snow Leopard) compatibility.

Changes:

• [enh] OS X: Better graphical integration in Cocoa apps.
• [fix] OS X: Blank window in Logic 9.
• [fix] OS X: Mac OS X 10.6 (Snow Leopard) compatibility.