Fix `JERRY_UNIMPLEMENTED_REF_UNUSED_VARS` so that call to `jerry_unimplemented` is placed after `if (false) { ... }` block.
Fix `JERRY_UNIMPLEMENTED_REF_UNUSED_VARS` so that call to `jerry_unimplemented` is placed after `if (false) { ... }` block.

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

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