Description:
When you run `btrfs-convert` it says `btrfs-convert: error while loading shared libraries: libreiserfscore.so.0: cannot open shared object file: No such file or directory`.
The output of `ldd /usr/bin/btrfs-progs` is
```
linux-vdso.so.1 (0x00007ffc9e5a9000)
libext2fs.so.2 => /usr/lib/libext2fs.so.2 (0x00007f1b9bd30000)
libcom_err.so.2 => /usr/lib/libcom_err.so.2 (0x00007f1b9bd2a000)
libreiserfscore.so.0 => not found
libuuid.so.1 => /usr/lib/libuuid.so.1 (0x00007f1b9bd21000)
libblkid.so.1 => /usr/lib/libblkid.so.1 (0x00007f1b9bccf000)
libgcrypt.so.20 => /usr/lib/libgcrypt.so.20 (0x00007f1b9bbb1000)
libpthread.so.0 => /usr/lib/libpthread.so.0 (0x00007f1b9bb8d000)
libc.so.6 => /usr/lib/libc.so.6 (0x00007f1b9b9c6000)
/lib64/ld-linux-x86-64.so.2 => /usr/lib64/ld-linux-x86-64.so.2 (0x00007f1b9be3d000)
libgpg-error.so.0 => /usr/lib/libgpg-error.so.0 (0x00007f1b9b99f000)
```
Installing `resiserfsprogs` fixes this problem. This is mentioned upsteam in https://github.com/kdave/btrfs-progs/blob/master/INSTALL

Additional info:
- btrfs-progs version: 5.6.1-3

Steps to reproduce:
1. Run `btrfs-convert`
2. Observe error
3. Install `reiserfsprogs`
4. Error is gone