ng init crashes when using diff on favicon.ico

[celliott181]

Please provide us with the following information:

1. OS: Windows 10 x64
2. Versions: Angular-CLI 1.0.0-beta.14, NodeJS 6.5.0
3. Repro steps: Run ng init in an Angular-CLI project. At the prompt to (Yndh) the overwriting of favicon.ico enter d to produce a diff of the two files. The CLI will crash.
4. The log given by the failure. Normally this include a stack trace and some
   more information.
   ? Overwrite src\favicon.ico? Diff
value.split is not a function
TypeError: value.split is not a function
at Object.lineDiff.tokenize (../../src/diff/line.js:7:32)
at Object.diff (../../src/diff/base.js:28:39)
at diffLines (../../src/diff/line.js:31:71)
at structuredPatch (../../src/patch/create.js:8:16)
at createTwoFilesPatch (../../src/patch/create.js:98:16)
at Object.createPatch (../../src/patch/create.js:122:10)
at c:\cndctr\node_modules\angular-cli\lib\models\file-info.js:65:23
at tryCatch (c:\cndctr\node_modules\rsvp\dist\lib\rsvp\-internal.js:215:12)
at invokeCallback (c:\cndctr\node_modules\rsvp\dist\lib\rsvp\-internal.js:230:13)
at publish (c:\cndctr\node_modules\rsvp\dist\lib\rsvp\-internal.js:198:7)
at flush (c:\cndctr\node_modules\rsvp\dist\lib\rsvp\asap.js:82:5)
at _combinedTickCallback (internal/process/next_tick.js:67:7)
at process._tickCallback (internal/process/next_tick.js:98:9)
5. Mention any other details that might be useful.
   Nothing extra, just a low priority bug that might pop up for some users. Current workaround is just to never diff the favicon.ico file.

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