fix mis-cast in unused code

For correctness, fix cast to (fdnode *) in #ifdef __WIN32 code.
(lighttpd compiles under cygwin, but not under native _WIN32)

(thx ToApolytoXaos)

src/fdevent.c

@@ -165,7 +165,7 @@ void fdevent_sched_run(server *srv, fdevents *ev) {
 		if (fdn == (fdnode *)0x1) {
 			rc = closesocket(fd);
 		}
-		else if (fdn == (fdnode)0x2) {
+		else if (fdn == (fdnode *)0x2) {
 			rc = close(fd);
 		}
 	      #else