Removed empty string from nag compiler's flags
Removed empty string from nag compiler's flags

jakirkham/numpy,endolith/numpy,numpy/numpy,rgommers/numpy,mhvk/numpy,endolith/numpy,madphysicist/numpy,seberg/numpy,simongibbons/numpy,jakirkham/numpy,seberg/numpy,pbrod/numpy,seberg/numpy,simongibbons/numpy,anntzer/numpy,pdebuyl/numpy,jakirkham/numpy,pbrod/numpy,charris/numpy,mattip/numpy,simongibbons/numpy,mhvk/numpy,numpy/numpy,pdebuyl/numpy,simongibbons/numpy,madphysicist/numpy,madphysicist/numpy,mhvk/numpy,madphysicist/numpy,mhvk/numpy,endolith/numpy,pdebuyl/numpy,pbrod/numpy,anntzer/numpy,anntzer/numpy,rgommers/numpy,mattip/numpy,jakirkham/numpy,pbrod/numpy,simongibbons/numpy,numpy/numpy,endolith/numpy,mhvk/numpy,seberg/numpy,numpy/numpy,pbrod/numpy,anntzer/numpy,rgommers/numpy,rgommers/numpy,pdebuyl/numpy,mattip/numpy,mattip/numpy,charris/numpy,jakirkham/numpy,madphysicist/numpy,charris/numpy,charris/numpy