Don't mangle module-node function names.

AUTHORS.rst

@@ -47,6 +47,7 @@ and agreed to irrevocably license their contributions under the Duktape
 * Simon Stone (https://github.com/sstone1)
 * \J. McC. (https://github.com/jmhmccr)
 * Jakub Nowakowski (https://github.com/jimvonmoon)
+* Tommy Nguyen (https://github.com/tn0502)
 
 Other contributions
 ===================

extras/module-node/duk_module_node.h

@@ -3,7 +3,15 @@
 
 #include "duktape.h"
 
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
 extern duk_ret_t duk_module_node_peval_main(duk_context *ctx, const char *path);
 extern void duk_module_node_init(duk_context *ctx);
 
+#if defined(__cplusplus)
+}
+#endif  /* end 'extern "C"' wrapper */
+
 #endif  /* DUK_MODULE_NODE_H_INCLUDED */