Change type of MEM_CP_NULL to mem_cpointer_t.
Change type of MEM_CP_NULL to mem_cpointer_t.

JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com

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