Failing to run in Ubuntu 22.04 after make install because of libltfs.so.0 not being found

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**Describe the bug**

After a clean make / make-install in Ubuntu 22.04, LTFS fails to run because it seems to be looking for libltfs.so.0 in a different place than where it sits.

**To Reproduce**
Steps to reproduce the behavior:
1. Install all dependencies (apt install automake autoconf libtool fuse uuid libxml2 libxml2-dev libsnmp-dev pkg-config libfuse-dev uuid-dev icu-devtools)
2. Git clone https://github.com/LinearTapeFileSystem/ltfs
3. Execute ./autogen.sh, ./configure, make, make install
4. Run "ltfs" on the shell (sudo or not)

`ltfs: error while loading shared libraries: libltfs.so.0: cannot open shared object file: No such file or directory`

Worth nothing that libltfs.so.0 was properly generated and exists:

```
sudo find / -name libltfs.so.0
/usr/local/lib/libltfs.so.0
/home/user/ltfs/src/libltfs/.libs/libltfs.so.0
```

**Expected behavior**
The application should run.

**Desktop (please complete the following information):**
- OS: Ubuntu Linux 22.04 - 5.15.0-97-generic

Start by reproducing the issue with ./autogen.sh, ./configure, make, and make install, then compare the installed /usr/local/lib/libltfs.so.0 with the in-tree src/libltfs/.libs/libltfs.so.0. Check why running ltfs cannot locate the installed library; done means ltfs starts successfully after installation on Ubuntu 22.04.

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