Fix the locale dependent date parsing used for the output heap trace …

[lukastvrdy]

…filename

date/T prints the date in locale-dependent format and thus causes issues when being parsed.
wmic command works independently of OS locale, language or the user's chosen date format.

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[lukastvrdy]

@googlebot I signed it!

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[randomascii]

Sorry for the delayed response - I went on vacation the day you uploaded this. I'm hitting some problems with the find command but I think that's just because I've got a non-standard find command in my path. I will look more closely later.

[randomascii]

The find problem was unrelated. Merged