Using different hash algorithm in purple_util_get_image_checksum()

[Kevin Stange]

Marcus Lundblad wrote:
> If we are going to change how hashing of icons is done, maybe we should
> allow the hashing algorithm to be "encoded" into the resulting file
> names in the icon cache?

I might have misunderstood your meaning, but we already use the hash for
the file name of the image?  Are you suggesting constructing a file name
containing more than just the hash?  Based on a quick glance, this is
what I see now:

kevin at bashir icons % ls ~/.purple/icons | head -n 3
000d74ac5c14566643eb26547675e11b5bde0b99.gif
00287eb6c6c7cfbb7b1acf3715b6ff6f889ebf94.gif
0081d358e6395ad089b2a538d8d9f83896eb4c57.gif

Mallory, don't get any ideas!

Kevin

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