Fix precomposeFileName buffer overflow issue #171
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Ensure sufficient space for null terminator in the buffer. Otherwise, it returns empty string easily for non-ascii characters. Reference: https://developer.apple.com/documentation/corefoundation/1542721-cfstringgetcstring?language=objc
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Ensure sufficient space for null terminator in the buffer.
Otherwise, it returns empty string easily for non-ascii characters.
Reference: https://developer.apple.com/documentation/corefoundation/1542721-cfstringgetcstring?language=objc