Correctly qualify bind

Index: src/netrender.cpp
--- src/netrender.cpp.orig
+++ src/netrender.cpp
@@ -92,7 +92,7 @@ bool CNetRender::SetServer(char *portNo, char *statusO
               sizeof(timeout)) < 0)
   	std::cout << "socket options error " << strerror(errno);
 
-  status = bind(socketfd, host_info_list->ai_addr, host_info_list->ai_addrlen);
+  status = ::bind(socketfd, host_info_list->ai_addr, host_info_list->ai_addrlen);
   if (status == -1)
   {
   	std::cout << "bind error" << std::endl ;