Fix a small typo in the port API documentation (#2099)
Fix a small typo in the port API documentation (#2099)

JerryScript-DCO-1.0-Signed-off-by: Gabor Loki loki@inf.u-szeged.hu
glistening/jerryscript,yichoi/jerryscript,jerryscript-project/jerryscript,bzsolt/jerryscript,gabrielschulhof/jerryscript,jerryscript-project/jerryscript,robertsipka/jerryscript,LaszloLango/jerryscript,jerryscript-project/jerryscript,bsdelf/jerryscript,akosthekiss/jerryscript,robertsipka/jerryscript,robertsipka/jerryscript,dbatyai/jerryscript,zherczeg/jerryscript,akosthekiss/jerryscript,LaszloLango/jerryscript,bsdelf/jerryscript,yichoi/jerryscript,gabrielschulhof/jerryscript,bzsolt/jerryscript,LaszloLango/jerryscript,akosthekiss/jerryscript,jerryscript-project/jerryscript,bsdelf/jerryscript,gabrielschulhof/jerryscript,grgustaf/jerryscript,zherczeg/jerryscript,yichoi/jerryscript,grgustaf/jerryscript,grgustaf/jerryscript,zherczeg/jerryscript,zherczeg/jerryscript,zherczeg/jerryscript,gabrielschulhof/jerryscript,glistening/jerryscript,yichoi/jerryscript,akosthekiss/jerryscript,glistening/jerryscript,grgustaf/jerryscript,bzsolt/jerryscript,LaszloLango/jerryscript,jerryscript-project/jerryscript,dbatyai/jerryscript,bzsolt/jerryscript,robertsipka/jerryscript,glistening/jerryscript,bsdelf/jerryscript,bsdelf/jerryscript,akosthekiss/jerryscript,grgustaf/jerryscript,bsdelf/jerryscript,robertsipka/jerryscript,glistening/jerryscript,dbatyai/jerryscript,robertsipka/jerryscript,grgustaf/jerryscript,dbatyai/jerryscript,LaszloLango/jerryscript,yichoi/jerryscript,glistening/jerryscript,dbatyai/jerryscript,gabrielschulhof/jerryscript,bzsolt/jerryscript