talkatu/talkatu

TalkatuAttachment::id is a guint64 not a gint64 so TalkatuMessage needs to use the proper type.

2020-09-03, Gary Kramlich
1feab6429217
TalkatuAttachment::id is a guint64 not a gint64 so TalkatuMessage needs to use the proper type.

Testing Done:
Just a compile.

Reviewed at https://reviews.imfreedom.org/r/100/
# h1
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[Test link](https://pidgin.im)
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