修复使用mingw32编译不通过的问题

hal/socket/win32/socket_win32.c

@@ -160,6 +160,26 @@ setSocketNonBlocking(Socket self)
     setsockopt(self->fd, IPPROTO_TCP, TCP_NODELAY, (const char*)&tcpNoDelay, sizeof(int));
 }
 
+
+#ifdef __i386__
+const char*
+inet_ntop(int af, const void* src, char* dst, int cnt){
+
+    struct sockaddr_in srcaddr;
+
+    memset(&srcaddr, 0, sizeof(struct sockaddr_in));
+    memcpy(&(srcaddr.sin_addr), src, sizeof(srcaddr.sin_addr));
+
+    srcaddr.sin_family = af;
+    if (WSAAddressToString((struct sockaddr*) &srcaddr, sizeof(struct sockaddr_in), 0, dst, (LPDWORD) &cnt) != 0) {
+        DWORD rv = WSAGetLastError();
+        printf("WSAAddressToString() : %d\n",rv);
+        return NULL;
+    }
+    return dst;
+}
+#endif
+
 static bool
 prepareAddress(const char *address, int port, struct sockaddr_in *sockaddr)
 {