[build] State encoding explicitly for hb-version.h.in As https://circleci.com/gh/harfbuzz/harfbuzz/140481 Traceback (most recent call last): File "./gen-hb-version.py", line 14, in <module> output_file.write (input_file.read () File "/usr/lib/python3.4/encodings/ascii.py", line 26, in decode return codecs.ascii_decode(input, self.errors)[0] UnicodeDecodeError: 'ascii' codec can't decode byte 0xc2 in position 16: ordinal not in range(128)