Patchs from Jeff Garzik <jgarzik@mandrakesoft.com> to cleanup
warnings with glibc 2.2 and use always use xfopen
 -Erik
diff --git a/nc.c b/nc.c
index e40d4b4..72439dd 100644
--- a/nc.c
+++ b/nc.c
@@ -28,6 +28,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
 
 #include <sys/types.h>