HGKeeper

Update the attachment dialog for GTK4
gtk4
2022-01-16, Gary Kramlich

b6ad374a15c6

Update the attachment dialog for GTK4

Testing Done:
Compiled and verified that all warnings/errors were fixed in `talkatuattachmentdialog.c`

Reviewed at https://reviews.imfreedom.org/r/1234/

# h1

## h2

### h3

#### h4

##### h5

###### h6

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[Test link](https://pidgin.im)

`code`

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code?

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talkatu/talkatu