resolve #4328 by moving plugin into lib folder

src/lib/plugin/ns/ns.h

@@ -0,0 +1,41 @@
+/*
+ * synergy -- mouse and keyboard sharing utility
+ * Copyright (C) 2015 Synergy Si Ltd
+ * 
+ * This package is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * found in the file COPYING that should have accompanied this file.
+ * 
+ * This package is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#if defined _WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h>
+
+#if defined(ns_EXPORTS)
+#define NS_API __declspec(dllexport)
+#else
+#define NS_API __declspec(dllimport)
+#endif
+
+#else
+#define NS_API
+#endif
+
+extern "C" {
+
+NS_API void				init(void* log, void* arch);
+NS_API int				initEvent(void (*sendEvent)(const char*, void*));
+NS_API void*			invoke(const char* command, void** args);
+NS_API int				cleanup();
+
+}