Fixing copy paste error in sobel kernels in OpenCL backend
Fixing copy paste error in sobel kernels in OpenCL backend

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