Make genericCompareColors declaration 64bits compatible.
Make genericCompareColors declaration 64bits compatible.

This function is stored in a table of compare_colors_fn_t which deals with usqInt parameters and return type, not uint32_t.

peteruhnak/pharo-vm,OpenSmalltalk/vm,OpenSmalltalk/vm,peteruhnak/pharo-vm,bencoman/pharo-vm,peteruhnak/pharo-vm,OpenSmalltalk/vm,bencoman/pharo-vm,timfel/squeakvm,timfel/squeakvm,timfel/squeakvm,OpenSmalltalk/vm,peteruhnak/pharo-vm,bencoman/pharo-vm,bencoman/pharo-vm,peteruhnak/pharo-vm,timfel/squeakvm,OpenSmalltalk/vm,timfel/squeakvm,timfel/squeakvm,bencoman/pharo-vm,OpenSmalltalk/vm,peteruhnak/pharo-vm,OpenSmalltalk/vm,bencoman/pharo-vm,bencoman/pharo-vm,timfel/squeakvm,peteruhnak/pharo-vm,peteruhnak/pharo-vm,OpenSmalltalk/vm,bencoman/pharo-vm,timfel/squeakvm,bencoman/pharo-vm