Fixing build in CONFIG_ECMA_NUMBER_FLOAT64 mode.
Fixing build in CONFIG_ECMA_NUMBER_FLOAT64 mode.

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