fix qualname calculation crash for c(p)def functions/classes
fix qualname calculation crash for c(p)def functions/classes

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