Fixes rpath in openssl

Before:
```
ondrej@kittiwake:~/repos/hashstack2(master)$ ~/repos/hashdist/bin/hit-check-libs rpath
Checking libs in 'rpath'...
Lib: rpath/lib/libssl.so
libcrypto.so.1.0.0 /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 (0x00007f8a441d5000)

Lib: rpath/lib/libssl.so
libz.so.1 /lib/x86_64-linux-gnu/libz.so.1 (0x00007f8a439fa000)

Lib: rpath/lib/libssl.so.1.0.0
libcrypto.so.1.0.0 /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 (0x00007faed3068000)

Lib: rpath/lib/libssl.so.1.0.0
libz.so.1 /lib/x86_64-linux-gnu/libz.so.1 (0x00007faed288d000)

Lib: rpath/lib/engines/libcswift.so
libcrypto.so.1.0.0 /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 (0x00007fe670d7f000)

Lib: rpath/lib/engines/libcswift.so
libz.so.1 /lib/x86_64-linux-gnu/libz.so.1 (0x00007fe6705a4000)

Lib: rpath/lib/engines/libatalla.so
libcrypto.so.1.0.0 /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 (0x00007f81d283e000)

Lib: rpath/lib/engines/libatalla.so
libz.so.1 /lib/x86_64-linux-gnu/libz.so.1 (0x00007f81d2063000)

Lib: rpath/lib/engines/lib4758cca.so
libcrypto.so.1.0.0 /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 (0x00007f49e892a000)

Lib: rpath/lib/engines/lib4758cca.so
libz.so.1 /lib/x86_64-linux-gnu/libz.so.1 (0x00007f49e814f000)

Lib: rpath/lib/engines/libnuron.so
libcrypto.so.1.0.0 /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 (0x00007f2be6e95000)

Lib: rpath/lib/engines/libnuron.so
libz.so.1 /lib/x86_64-linux-gnu/libz.so.1 (0x00007f2be66ba000)

Lib: rpath/lib/engines/libgost.so
libcrypto.so.1.0.0 /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 (0x00007f0c4abea000)

Lib: rpath/lib/engines/libgost.so
libz.so.1 /lib/x86_64-linux-gnu/libz.so.1 (0x00007f0c4a40f000)

Lib: rpath/lib/engines/libubsec.so
libcrypto.so.1.0.0 /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 (0x00007f1af2495000)

Lib: rpath/lib/engines/libubsec.so
libz.so.1 /lib/x86_64-linux-gnu/libz.so.1 (0x00007f1af1cba000)

Lib: rpath/lib/engines/libaep.so
libcrypto.so.1.0.0 /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 (0x00007fd4349bf000)

Lib: rpath/lib/engines/libaep.so
libz.so.1 /lib/x86_64-linux-gnu/libz.so.1 (0x00007fd4341e4000)

Lib: rpath/lib/engines/libchil.so
libcrypto.so.1.0.0 /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 (0x00007fbd63024000)

Lib: rpath/lib/engines/libchil.so
libz.so.1 /lib/x86_64-linux-gnu/libz.so.1 (0x00007fbd62849000)

Lib: rpath/lib/engines/libsureware.so
libcrypto.so.1.0.0 /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 (0x00007f87dc578000)

Lib: rpath/lib/engines/libsureware.so
libz.so.1 /lib/x86_64-linux-gnu/libz.so.1 (0x00007f87dbd9d000)
```
After:
```
ondrej@kittiwake:~/repos/hashstack2(rpath)$ ~/repos/hashdist/bin/hit-check-libs rpath
Checking libs in 'rpath'...
```