[GrowlTunes] fix local variable shadowing
[GrowlTunes] fix local variable shadowing

--HG--
branch : maintenance-1.3
extra : rebase_source : d170d125591d40846f641727e9f8f03279d64c1a

PersonifyInc/growl,PersonifyInc/growl,PersonifyInc/growl,PersonifyInc/growl,PersonifyInc/growl