Fix segfault if starting qemu VM with an inactive virtual network.

ChangeLog

+Mon Oct  6 15:32:00 EST 2008 Cole Robinson <crobinso@redhat.com>
+
+	* src/qemu_conf.c: Fix possible segfault if starting a qemu guest with
+	  with an inactive virtual network.
+
 Mon Oct  6 15:23:00 EST 2008 Cole Robinson <crobinso@redhat.com>
 
 	* tests/domainschematest: Slim down schema test result output

src/qemu_conf.c

@@ -1235,7 +1235,7 @@ int qemudBuildCommandLine(virConnectPtr conn,
  error:
     if (tapfds &&
         *tapfds) {
-        for (i = 0; ntapfds; i++)
+        for (i = 0; i < *ntapfds; i++)
             close((*tapfds)[i]);
         VIR_FREE(*tapfds);
         *ntapfds = 0;