Fix bootstrap version computing with custom bc (#978)
Fix bootstrap version computing with custom bc (#978)

When i have ~/.bc configuration file with content:
scale=2
which is changing default behaviour (scale=0), bootstrap is not working.
google/brotli,google/brotli,google/brotli,google/brotli,google/brotli,google/brotli,google/brotli,google/brotli