There is an updated pull request by 08A against master on the void-packages repository

https://github.com/08A/void-packages new-package-libdecsync
https://github.com/void-linux/void-packages/pull/39258

New package: libdecsync-2.2.1
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#### Testing the changes
- I tested the changes in this PR: **briefly**


#### New package
- This new package conforms to the [package requirements](https://github.com/void-linux/void-packages/blob/master/CONTRIBUTING.md#package-requirements): **YES**


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and test at least one native build and, if supported, at least one cross build.
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#### Local build testing
- I built this PR locally for my native architecture, (x86_64-glibc)

#### Questions

I put my email in the maintainer field. I don't know if it is the expected behavior.

#### Test

main.c:
````c
#include <libdecsync.h>
#include <stddef.h>


int main() {
	Decsync tmp = NULL;
	return 0;
}
````

````sh
$ gcc main.c $(pkg-config --libs decsync)
$ ldd a.out
        linux-vdso.so.1 (0x00007ffca77d6000)
        libdecsync.so.0 => /usr/lib64/libdecsync.so.0 (0x00007f24572b8000)
        libc.so.6 => /usr/lib/libc.so.6 (0x00007f24570f2000)
        libresolv.so.2 => /usr/lib/libresolv.so.2 (0x00007f24570d8000)
        libm.so.6 => /usr/lib/libm.so.6 (0x00007f2456f93000)
        libpthread.so.0 => /usr/lib/libpthread.so.0 (0x00007f2456f72000)
        libutil.so.1 => /usr/lib/libutil.so.1 (0x00007f2456f6d000)
        libcrypt.so.1 => /usr/lib/libcrypt.so.1 (0x00007f2456f31000)
        librt.so.1 => /usr/lib/librt.so.1 (0x00007f2456f26000)
        libdl.so.2 => /usr/lib/libdl.so.2 (0x00007f2456f20000)
        libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0x00007f2456f06000)
        /lib64/ld-linux-x86-64.so.2 => /usr/lib64/ld-linux-x86-64.so.2 (0x00007f24575f6000)


````
When I have the time I will test with https://github.com/39aldo39/libdecsync-bindings-python3.

#### PS
This PR is heavily inspired by https://github.com/void-linux/void-packages/pull/34731.

All of the credit should go to @eoli3n.
All of the blame should go to me.




A patch file from https://github.com/void-linux/void-packages/pull/39258.patch is attached