Buildver addin update file encoding aware

[frankie]

After the bug discovered in the original buildver that hangs the IDE if the rc file is encoded as UTF-16LE, I post this updated version that is encoding aware and can handle ANSI, UTF-8 and UTF16LE encodings.

[Robert]

Thanks frankie.

Another job well done.

[John Z]

After the bug discovered in the original buildver that hangs the IDE if the rc file is encoded as UTF-16LE, I post this updated version that is encoding aware and can handle ANSI, UTF-8 and UTF16LE encodings.

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Thanks very much,
John Z