Update sutils.js to format properly inside bbs (reported by jc)

14 jobs for mlong/sutils in 23 minutes and 28 seconds (queued for 10 seconds)
Status Name Job ID Coverage
  Build
passed jsdoor-freebsd #5779
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passed jsdoor-linux #5780
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passed jsdoor-windows #5782
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passed sbbs-freebsd #5774
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passed sbbs-linux #5769
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passed sbbs-windows #5772
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passed sexpots-freebsd #5781
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passed sexpots-linux #5770
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passed sexpots-windows #5773
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passed syncdraw-freebsd #5777
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passed syncdraw-linux #5778
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passed syncterm-freebsd #5775
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passed syncterm-linux #5771
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passed syncterm-windows #5776
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