[PATCH] Allow ifplugd to run when no TCP/IP is available

This simple patch create AF_LOCAL socket instead of AF_INET so if TCP/IP
is not linked into kernel it still works.

Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com>

---

diff -urNp ifplugd-0.28.org/src/ifplugd.c ifplugd-0.28/src/ifplugd.c
--- ifplugd-0.28.org/src/ifplugd.c	2005-06-04 22:21:51.000000000 +0300
+++ ifplugd-0.28/src/ifplugd.c	2007-10-30 05:22:53.000000000 +0200
@@ -409,7 +409,7 @@ void work(void) {
             break;
     }
 
-    if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+    if ((fd = socket(AF_LOCAL, SOCK_DGRAM, 0)) < 0) {
         daemon_log(LOG_ERR, "socket(): %s", strerror(errno));
         goto finish;
     }