Fix JERRY_STATIC_ASSERT: add __unused attribute to defined type.
Fix JERRY_STATIC_ASSERT: add __unused attribute to defined type.

grgustaf/jerryscript,akosthekiss/jerryscript,jack60504/jerryscript,LeeHayun/jerryscript,jack60504/jerryscript,gabrielschulhof/jerryscript,LaszloLango/jerryscript,LeeHayun/jerryscript,glistening/jerryscript,jack60504/jerryscript,slaff/jerryscript,robertsipka/jerryscript,zherczeg/jerryscript,tilmannOSG/jerryscript,loki04/jerryscript,bsdelf/jerryscript,grgustaf/jerryscript,akosthekiss/jerryscript,loki04/jerryscript,bsdelf/jerryscript,zherczeg/jerryscript,robertsipka/jerryscript,bsdelf/jerryscript,gabrielschulhof/jerryscript,tilmannOSG/jerryscript,martijnthe/jerryscript,grgustaf/jerryscript,gabrielschulhof/jerryscript,tilmannOSG/jerryscript,bsdelf/jerryscript,jack60504/jerryscript,akosthekiss/jerryscript,LaszloLango/jerryscript,robertsipka/jerryscript,robertsipka/jerryscript,martijnthe/jerryscript,glistening/jerryscript,jerryscript-project/jerryscript,LaszloLango/jerryscript,yichoi/jerryscript,dbatyai/jerryscript,LeeHayun/jerryscript,yichoi/jerryscript,LaszloLango/jerryscript,gabrielschulhof/jerryscript,slaff/jerryscript,loki04/jerryscript,slaff/jerryscript,akosthekiss/jerryscript,jerryscript-project/jerryscript,glistening/jerryscript,jack60504/jerryscript,zherczeg/jerryscript,dbatyai/jerryscript,LeeHayun/jerryscript,glistening/jerryscript,bsdelf/jerryscript,jerryscript-project/jerryscript,robertsipka/jerryscript,dbatyai/jerryscript,slaff/jerryscript,yichoi/jerryscript,bzsolt/jerryscript,bzsolt/jerryscript,loki04/jerryscript,akosthekiss/jerryscript,jerryscript-project/jerryscript,loki04/jerryscript,yichoi/jerryscript,glistening/jerryscript,grgustaf/jerryscript,grgustaf/jerryscript,jerryscript-project/jerryscript,slaff/jerryscript,glistening/jerryscript,bzsolt/jerryscript,dbatyai/jerryscript,bzsolt/jerryscript,LaszloLango/jerryscript,robertsipka/jerryscript,tilmannOSG/jerryscript,bzsolt/jerryscript,martijnthe/jerryscript,jack60504/jerryscript,zherczeg/jerryscript,tilmannOSG/jerryscript,zherczeg/jerryscript,martijnthe/jerryscript,gabrielschulhof/jerryscript,martijnthe/jerryscript,yichoi/jerryscript,dbatyai/jerryscript,bsdelf/jerryscript,martijnthe/jerryscript,loki04/jerryscript,LeeHayun/jerryscript,grgustaf/jerryscript