remmina: only use fuse on linux systems
fuse is used in FreeRDP and now needs to be included[1] in
remmina. This breaks darwin and is only used for file clipboard
on linux[2].
This commit also fixes a compiler error due to some upstream
refactoring.
[1]: https://gitlab.com/Remmina/Remmina/-/issues/3039
[2]: https://github.com/FreeRDP/FreeRDP/blob/5bc74f43c8a95728b8d50eb54c750d18ab732e45/docs/README.building#L111
Signed-off-by: Florian Brandes <florian.brandes@posteo.de>
authored by Florian Brandes and committed by Sandro Jäckel 75f6aca3 81cd68e7