Fixed build failure caused by conversion warning with GCC-5.4 (#2839)
Fixed build failure caused by conversion warning with GCC-5.4 (#2839)

JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com
gabrielschulhof/jerryscript,dbatyai/jerryscript,zherczeg/jerryscript,zherczeg/jerryscript,akosthekiss/jerryscript,bzsolt/jerryscript,bzsolt/jerryscript,robertsipka/jerryscript,akosthekiss/jerryscript,robertsipka/jerryscript,dbatyai/jerryscript,robertsipka/jerryscript,dbatyai/jerryscript,dbatyai/jerryscript,jerryscript-project/jerryscript,zherczeg/jerryscript,zherczeg/jerryscript,bzsolt/jerryscript,gabrielschulhof/jerryscript,gabrielschulhof/jerryscript,jerryscript-project/jerryscript,akosthekiss/jerryscript,robertsipka/jerryscript,akosthekiss/jerryscript,gabrielschulhof/jerryscript,robertsipka/jerryscript,zherczeg/jerryscript,bzsolt/jerryscript,robertsipka/jerryscript,gabrielschulhof/jerryscript,jerryscript-project/jerryscript,dbatyai/jerryscript,jerryscript-project/jerryscript,jerryscript-project/jerryscript,bzsolt/jerryscript,akosthekiss/jerryscript