Fix memory leak from #154

[dnna]

Fixes the leak described in #154

Memory before the fix:

Memory Usage: 11437000
Memory Usage: 11429088
Memory Usage: 11429808
Memory Usage: 11430528
Memory Usage: 11431248
Memory Usage: 11431968
Memory Usage: 11432688
Memory Usage: 11433408
Memory Usage: 11434128
Memory Usage: 11434848
Memory Usage: 11435568
Memory Usage: 11436288
Memory Usage: 11437008
Memory Usage: 11437728
Memory Usage: 11438448
Memory Usage: 11439168
Memory Usage: 11439888
Memory Usage: 11440608
Memory Usage: 11441328
Memory Usage: 11442048

Memory after the fix:

Memory Usage: 11483624
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992
Memory Usage: 11474992

[andig]

I've changed the name of this commit, still GREAT!!!