fix require for 1.9 in statistics_spec.rb
fix require for 1.9 in statistics_spec.rb

despora/diaspora,jhass/diaspora,despora/diaspora,KentShikama/diaspora,despora/diaspora,Muhannes/diaspora,spixi/diaspora,despora/diaspora,Amadren/diaspora,geraspora/diaspora,Flaburgan/diaspora,Muhannes/diaspora,Amadren/diaspora,Amadren/diaspora,diaspora/diaspora,Flaburgan/diaspora,diaspora/diaspora,Amadren/diaspora,diaspora/diaspora,SuperTux88/diaspora,Muhannes/diaspora,jhass/diaspora,jhass/diaspora,SuperTux88/diaspora,KentShikama/diaspora,KentShikama/diaspora,diaspora/diaspora,spixi/diaspora,geraspora/diaspora,geraspora/diaspora,spixi/diaspora,Muhannes/diaspora,geraspora/diaspora,jhass/diaspora,SuperTux88/diaspora,KentShikama/diaspora,Flaburgan/diaspora,SuperTux88/diaspora,spixi/diaspora,Flaburgan/diaspora