Corrected bug in normal_distribution_portable
Corrected bug in normal_distribution_portable

Returned standard normal, ignoring specified mean and stddev
thvasilo/thrust,arnabgho/thrust,zhenglaizhang/thrust,thrust/thrust,zhenglaizhang/thrust,mohamed-ali/thrust,xiongzhanblake/thrust,thvasilo/thrust,raygit/thrust,zeryx/thrust,dachziegel/thrust,xiongzhanblake/thrust,thrust/thrust,thrust/thrust,Ricardo666666/thrust,egaburov/thrust,egaburov/thrust,dachziegel/thrust,GrimDerp/thrust,dachziegel/thrust,marksantos/thrust,GrimDerp/thrust,jaredhoberock/thrust,andrewcorrigan/thrust-multi-permutation-iterator,zeryx/thrust,andrewcorrigan/thrust-multi-permutation-iterator,andrewcorrigan/thrust-multi-permutation-iterator,raygit/thrust,jaredhoberock/thrust,mohamed-ali/thrust,marksantos/thrust,Ricardo666666/thrust,jaredhoberock/thrust,xiongzhanblake/thrust_src,sarvex/thrust,sdalton1/thrust,xiongzhanblake/thrust_src,mohamed-ali/thrust,sarvex/thrust,raygit/thrust,egaburov/thrust,sarvex/thrust,thrust/thrust,sdalton1/thrust,arnabgho/thrust,zeryx/thrust,marksantos/thrust,arnabgho/thrust,thrust/thrust,sdalton1/thrust,xiongzhanblake/thrust_src,Ricardo666666/thrust,thvasilo/thrust,zhenglaizhang/thrust,jaredhoberock/thrust,jaredhoberock/thrust,GrimDerp/thrust,xiongzhanblake/thrust