[klibc] ipconfig: Use /run/ directory for script file

This could be made to be an optional switch,
but for security reason /run is just as good, due to unprivileged
users not beeing allowed to write there.

http://www.zytor.com/pipermail/klibc/2011-May/002912.html

Reported-by: Dan Rosenberg <dan.j.rosenberg@gmail.com>
Signed-off-by: maximilian attems <max@stro.at>
diff --git a/usr/kinit/ipconfig/main.c b/usr/kinit/ipconfig/main.c
index 476384a..7be2a1f 100644
--- a/usr/kinit/ipconfig/main.c
+++ b/usr/kinit/ipconfig/main.c
@@ -147,8 +147,9 @@
 	 * sizeof(UINT64_MAX)==21
 	 */
 	char buf21[21];
+	const char path[] = "/run/";
 
-	snprintf(fn, sizeof(fn), "/tmp/net-%s.conf", dev->name);
+	snprintf(fn, sizeof(fn), "%snet-%s.conf", path, dev->name);
 	f = fopen(fn, "w");
 	if (f) {
 		write_option(f, "DEVICE", dev->name);