Fix link creation or RPM doesn't install it

libssh.spec

@@ -1,6 +1,6 @@
 Name:           libssh
 Version:        0.8.1
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        A library implementing the SSH protocol
 License:        LGPLv2+
 URL:            http://www.libssh.org
@@ -71,7 +71,12 @@ make DESTDIR=%{buildroot} install/fast -C obj
 pushd %{buildroot}%{_libdir}
 for i in libssh.so.4*;
 do
-    ln -s "${i}" "${i%libssh*}libssh_threads${i##*libssh}"
+    _target="${i}"
+    _link_name="${i%libssh*}libssh_threads${i##*libssh}"
+    if [ -L "${i}" ]; then
+        _target="$(readlink ${i})"
+    fi
+    ln -s "${_target}" "${_link_name}"
 done;
 popd
 
@@ -98,6 +103,9 @@ popd
 %{_libdir}/libssh.so
 
 %changelog
+* Thu Aug 16 2018 Andreas Schneider <asn@redhat.com> - 0.8.1-4
+- Fix link creation or RPM doesn't install it
+
 * Wed Aug 15 2018 Andreas Schneider <asn@redhat.com> - 0.8.1-3
 - Add missing so version for libssh_threads.so.4