Include srctree in sdist.
Include srctree in sdist.

andreasvc/cython,bzzzz/cython,scoder/cython,mrGeen/cython,achernet/cython,marscher/cython,mrGeen/cython,ChristopherHogan/cython,fabianrost84/cython,c-blake/cython,achernet/cython,mcanthony/cython,marscher/cython,bzzzz/cython,larsmans/cython,andreasvc/cython,ChristopherHogan/cython,mcanthony/cython,roxyboy/cython,madjar/cython,cython/cython,mcanthony/cython,fabianrost84/cython,ABcDexter/cython,da-woods/cython,c-blake/cython,rguillebert/CythonCTypesBackend,dahebolangkuan/cython,fperez/cython,larsmans/cython,rguillebert/CythonCTypesBackend,mcanthony/cython,mcanthony/cython,acrispin/cython,slonik-az/cython,da-woods/cython,scoder/cython,rguillebert/CythonCTypesBackend,achernet/cython,acrispin/cython,ABcDexter/cython,c-blake/cython,c-blake/cython,bzzzz/cython,JelleZijlstra/cython,encukou/cython,ABcDexter/cython,ABcDexter/cython,rguillebert/CythonCTypesBackend,cython/cython,cython/cython,JelleZijlstra/cython,madjar/cython,dahebolangkuan/cython,bzzzz/cython,cython/cython,acrispin/cython,c-blake/cython,madjar/cython,acrispin/cython,slonik-az/cython,fperez/cython,da-woods/cython,hickford/cython,fabianrost84/cython,hpfem/cython,JelleZijlstra/cython,roxyboy/cython,ChristopherHogan/cython,scoder/cython,madjar/cython,achernet/cython,dahebolangkuan/cython,andreasvc/cython,andreasvc/cython,fabianrost84/cython,slonik-az/cython,fperez/cython,mrGeen/cython,roxyboy/cython,fperez/cython,larsmans/cython,encukou/cython,JelleZijlstra/cython,JelleZijlstra/cython,fabianrost84/cython,larsmans/cython,encukou/cython,marscher/cython,acrispin/cython,hhsprings/cython,slonik-az/cython,da-woods/cython,achernet/cython,mrGeen/cython,hpfem/cython,encukou/cython,mrGeen/cython,hickford/cython,slonik-az/cython,marscher/cython,andreasvc/cython,larsmans/cython,hhsprings/cython,ABcDexter/cython,hpfem/cython,dahebolangkuan/cython,hickford/cython,hhsprings/cython,hpfem/cython,encukou/cython,hickford/cython,hickford/cython,madjar/cython,dahebolangkuan/cython,hpfem/cython,hhsprings/cython,marscher/cython,hhsprings/cython,fperez/cython,scoder/cython,roxyboy/cython,roxyboy/cython