avoid declaration collision on MSVC

diff --git a/modules/misc/network/ipv4.c b/modules/misc/network/ipv4.c
index 43a52b48bf3ee184bc56741e8ce9c02395ff450b..bca68832ff159f9f8d2b113c2db79785496e4da1 100644 (file)
--- a/modules/misc/network/ipv4.c
+++ b/modules/misc/network/ipv4.c
@@ -54,7 +54,9 @@
 #   include <winsock2.h>
 #   include <ws2tcpip.h>
 #   include <iphlpapi.h>
-#   define close closesocket
+#   if !defined(INCL_WINSOCK_API_PROTOTYPES)
+#       define close closesocket
+#   endif
 #   if defined(UNDER_CE)
 #       undef IP_MULTICAST_TTL
 #       define IP_MULTICAST_TTL 3