fix(linux): Use c_ulong for ffi calls instead of u64

[FabianLars]

fixes #105 - note that i didn't test this in an actual app but cargo check --target ... stopped complained with these changes. It's also similar to my Wry change a while ago that seemingly was fine.

[github-actions]

Package Changes Through 7d584d5

There are 1 changes which include global-hotkey with patch

Planned Package Versions

The following package releases are the planned based on the context of changes in this pull request.

package	current	next
global-hotkey	0.6.1	0.6.2

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[greenhat616]

Thank you. It works fine via cross test --all-features --target i686-unknown-linux-gnu.

# cross test --all-features --target i686-unknown-linux-gnu
[+] Building 1.6s (7/7) FINISHED                                                                                                                                                 docker:default
 => [internal] load build definition from Dockerfile.i686-unknown-linux-gnu-custom                                                                                                         0.0s
 => => transferring dockerfile: 250B                                                                                                                                                       0.0s
 => [internal] load metadata for ghcr.io/libnyanpasu/builder-debian-trixie-i686:latest                                                                                                     1.5s
 => [auth] libnyanpasu/builder-debian-trixie-i686:pull token for ghcr.io                                                                                                                   0.0s
 => [internal] load .dockerignore                                                                                                                                                          0.0s
 => => transferring context: 2B                                                                                                                                                            0.0s
 => [1/2] FROM ghcr.io/libnyanpasu/builder-debian-trixie-i686:latest@sha256:da1d6feff36122b177dee4663b3c8d7b4dde3711edea135b93a171c7e24eb439                                               0.0s
 => CACHED [2/2] RUN eval "apt-get update && apt-get install --assume-yes libgtk-3-dev:$CROSS_DEB_ARCH libxdo-dev:$CROSS_DEB_ARCH"                                                         0.0s
 => exporting to image                                                                                                                                                                     0.0s
 => => exporting layers                                                                                                                                                                    0.0s
 => => writing image sha256:565b6ac49c7f84d38324d8f3ac23c2af24a62bd92bb3f4f407429a55369d47a1                                                                                               0.0s
 => => naming to docker.io/library/cross-custom-global-hotkey:i686-unknown-linux-gnu-87f70-pre-build                                                                                       0.0s
   Compiling global-hotkey v0.6.2 (/project)
    Finished `test` profile [unoptimized + debuginfo] target(s) in 5.18s
     Running unittests src/lib.rs (/target/i686-unknown-linux-gnu/debug/deps/global_hotkey-6fef474a1f3ccdb2)

running 2 tests
test hotkey::test_equality ... ok
test hotkey::test_parse_hotkey ... ok

test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s