Update demo to use Match_Distance.
Update demo to use Match_Distance.

PhoenixWebGroupJay/Google-Diff-Match-Patch--C--,GerHobbelt/google-diff-match-patch,GerHobbelt/google-diff-match-patch,PhoenixWebGroupJay/Google-Diff-Match-Patch--C--,rdt1/hardcore,rdt1/hardcore,GerHobbelt/google-diff-match-patch,rdt1/hardcore,rdt1/hardcore,GerHobbelt/google-diff-match-patch,GerHobbelt/google-diff-match-patch,PhoenixWebGroupJay/Google-Diff-Match-Patch--C--,PhoenixWebGroupJay/Google-Diff-Match-Patch--C--,GerHobbelt/google-diff-match-patch,PhoenixWebGroupJay/Google-Diff-Match-Patch--C--,GerHobbelt/google-diff-match-patch,rdt1/hardcore,PhoenixWebGroupJay/Google-Diff-Match-Patch--C--,rdt1/hardcore,GerHobbelt/google-diff-match-patch