Default high precision off if the mtime call fails #75
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This is a bit of an edge case. When using the gem under JRuby inside a JAR on Windows, the mtime call fails with SystemCallError unknown error 20047.
I assume that this is because it's run under a JAR archive and Windows does something different from OSX that makes the mtime call fail. It works fine under OSX, and I imagine Linux as well.
Since it's a bit of an edge case, and the alternative I see is to hook it into the listen test in
works?
, I figured it's better to just default to high precision not being available if it errors.