Try a different tray icon on linux

Author: parg

uis/src/com/biglybt/ui/icons/icons.properties

@@ -75,7 +75,7 @@ logo64=noscale,com/biglybt/ui/icons/a64.png
 logo128=noscale,com/biglybt/ui/icons/a128.png
 logo16=noscale,com/biglybt/ui/icons/a16.png
 osx_tray=com/biglybt/ui/icons/osx_tray.png
-nix_tray=com/biglybt/ui/icons/nix_tray.png
+nix_tray=com/biglybt/ui/icons/nix_tray2.png
 
 net_I2P_x=com/biglybt/ui/icons/net_I2P_x.png
 net_I2P_s=com/biglybt/ui/icons/net_I2P_s.png