Update libraries and make it build on windows.

Still gets some warnings because compilers have changed. But should work.

cmake/FindWinSock.cmake

@@ -0,0 +1,35 @@
+# Try to find WinSock library and include path.
+# Once done this will define
+#
+# WINSOCK_FOUND
+# WINSOCK_INCLUDE_DIR
+# WINSOCK_LIBRARIES
+
+find_path(WINSOCK_INCLUDE_DIR WinSock2.h)
+if(MSVC)
+  find_library(WINSOCK_LIBRARY mswsock.lib)
+  find_library(WINSOCK2_LIBRARY ws2_32.lib)
+  find_library(WINSOCK2_LIBRARY bcrypt.lib)
+else()
+  find_library(WINSOCK_LIBRARY mswsock)
+  find_library(WINSOCK2_LIBRARY ws2_32)
+  find_library(WINSOCK2_LIBRARY bcrypt)
+endif()
+
+# Handle the REQUIRED argument and set WINSOCK_FOUND
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(WinSock DEFAULT_MSG WINSOCK_LIBRARY WINSOCK2_LIBRARY WINSOCK_INCLUDE_DIR)
+
+mark_as_advanced(WINSOCK_INCLUDE_DIR)
+mark_as_advanced(WINSOCK_LIBRARY)
+mark_as_advanced(WINSOCK2_LIBRARY)
+
+if(WINSOCK_FOUND)
+  add_definitions(-DWINSOCK_SUPPORT)
+  set(WINSOCK_LIBRARIES ${WINSOCK_LIBRARY} ${WINSOCK2_LIBRARY})
+endif()
+
+if(MINGW)
+  set(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES} -lwsock32 -lws2_32 -lbcrypt")
+  set(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES} -lwsock32 -lws2_32 -lbcrypt")
+endif()