Restore tab conversion to 4 spaces in HTML diff output

James Moger

2015-02-26 8621be4f655ea222dd1f0063c8e65085f0b78caa

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[submodule "src/main/distrib/data/gitignore"]
    path = src/main/distrib/data/gitignore
    url = https://github.com/github/gitignore.git