Steps to reproduce.
Have a terminal in a non-english language, like Italian, and:
```
arc unit src/parser/__tests__/ArcanistBundleTestCase.php
```
What happens:
```counterexample
EXCEPTION (Exception): Diff Parse Exception: Expected '\ No newline at end of file'.
26 v
27 w
28 x
29 y
30 z
>>> 31 \ Manca newline alla fine del file
```
What should happen instead:
```
$ LC_ALL=C arc unit src/parser/__tests__/ArcanistBundleTestCase.php
PASS 5ms★ ArcanistBundleTestCase::testTrailingContext
PASS 4ms★ ArcanistBundleTestCase::testMergeHunks
PASS 2ms★ ArcanistBundleTestCase::testNonlocalTrailingNewline
PASS 1ms★ ArcanistBundleTestCase::testEncodeBase85
PASS 1.1s ArcanistBundleTestCase::testGitRepository
PASS 3ms★ ArcanistBundleTestCase::testDisjointHunks
PASS <1ms★ ArcanistBundleTestCase::testTabEncoding
```