travis build: force use of "-fno-strict-aliasing" in Py2
travis build: force use of "-fno-strict-aliasing" in Py2

--HG--
extra : transplant_source : %A4%C2%DA%5EV%1C%17%07%E3%E9%9E%C7%AB%1EF%2C%C8%A7%1C%5D

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