cmake: link msgpack with dhtnet instead of opendht

Change-Id: Ic33f34e4b1346948b42ca47383037a8c9779c5e6

CMakeLists.txt

@@ -189,7 +189,7 @@ else()
         ${WIN32_DEP_DIR}/../msvc/lib/libmsgpackc-cxx.lib)
 endif()
 if (NOT HAVE_MSGPACKCXX)
-    target_link_libraries(opendht PUBLIC ${MSGPACK_TARGET})
+    target_link_libraries(dhtnet PUBLIC ${MSGPACK_TARGET})
 endif()
 if (APPLE)
     target_link_libraries(dhtnet PRIVATE "-framework CoreFoundation" "-framework Security" "resolv")