*: hopefully all setup_common_bufsiz() are in place

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/nc.c b/networking/nc.c
index 50edee4..13a9b48 100644
--- a/networking/nc.c
+++ b/networking/nc.c
@@ -239,6 +239,8 @@
 	FD_SET(cfd, &readfds);
 	FD_SET(STDIN_FILENO, &readfds);
 
+#define iobuf bb_common_bufsiz1
+	setup_common_bufsiz();
 	for (;;) {
 		int fd;
 		int ofd;
@@ -249,7 +251,6 @@
 		if (select(cfd + 1, &testfds, NULL, NULL, NULL) < 0)
 			bb_perror_msg_and_die("select");
 
-#define iobuf bb_common_bufsiz1
 		fd = STDIN_FILENO;
 		while (1) {
 			if (FD_ISSET(fd, &testfds)) {