fix path to icecream symlinks

6a3dff2135e2ca68efd8925b197b39b6f99d4872 was incorrect, the directory
name is icecc, not icecream. This means 'build --icecream' doesn't
work on openSUSE12.3 :(.
Merge pull request #55 from llunak/master

Fix path to icecream symlinks