Remove warnings when running fft in OpenCL backend
Remove warnings when running fft in OpenCL backend

pavanky/arrayfire,HolyGeneralK/arrayfire,pavanky/arrayfire,marbre/arrayfire,munnybearz/arrayfire,ghisvail/arrayfire,pombredanne/arrayfire,bkloppenborg/arrayfire,unbornchikken/arrayfire,ghisvail/arrayfire,mrgloom/arrayfire,arrayfire/arrayfire,marbre/arrayfire,9prady9/arrayfire,bkloppenborg/arrayfire,arrayfire/arrayfire,pentschev/arrayfire,merlin-ext/arrayfire,victorv/arrayfire,Keno/arrayfire,shehzan10/arrayfire,bkloppenborg/arrayfire,pentschev/arrayfire,linan7788626/arrayfire,jramapuram/arrayfire,HolyGeneralK/arrayfire,glehmann/arrayfire,jramapuram/arrayfire,asifmadnan/arrayfire,munnybearz/arrayfire,pentschev/arrayfire,ghisvail/arrayfire,HolyGeneralK/arrayfire,pombredanne/arrayfire,shehzan10/arrayfire,umar456/arrayfire,merlin-ext/arrayfire,mrgloom/arrayfire,arrayfire/arrayfire,hshindo/arrayfire,pombredanne/arrayfire,0x0all/arrayfire,Keno/arrayfire,jramapuram/arrayfire,bkloppenborg/arrayfire,asifmadnan/arrayfire,Keno/arrayfire,linan7788626/arrayfire,pavanky/arrayfire,Keno/arrayfire,9prady9/arrayfire,jramapuram/arrayfire,pentschev/arrayfire,linan7788626/arrayfire,hshindo/arrayfire,glehmann/arrayfire,marbre/arrayfire,mrgloom/arrayfire,hshindo/arrayfire,9prady9/arrayfire,merlin-ext/arrayfire,asifmadnan/arrayfire,asifmadnan/arrayfire,mrgloom/arrayfire,victorv/arrayfire,shehzan10/arrayfire,unbornchikken/arrayfire,umar456/arrayfire,pombredanne/arrayfire,umar456/arrayfire,0x0all/arrayfire,unbornchikken/arrayfire,umar456/arrayfire,arrayfire/arrayfire,9prady9/arrayfire,marbre/arrayfire,hshindo/arrayfire,shehzan10/arrayfire,HolyGeneralK/arrayfire,merlin-ext/arrayfire,ghisvail/arrayfire,unbornchikken/arrayfire,victorv/arrayfire,victorv/arrayfire,linan7788626/arrayfire,pavanky/arrayfire,munnybearz/arrayfire