Fix NRE in https://github.com/koush/AndroidAsync/issues/99#issuecomment-34524164
Merge branch 'master' of https://github.com/koush/AndroidAsync

# By Koushik Dutta
# Via Koushik Dutta
* 'master' of https://github.com/koush/AndroidAsync:
  Fix NRE in https://github.com/koush/AndroidAsync/issues/99#issuecomment-34524164