improve annotation for else-clause in while-loop
improve annotation for else-clause in while-loop

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