Add user nobody to group dialout.

Those permissions are required for modem-status.cgi to
communicate with serial modems.

config/etc/group

@@ -10,7 +10,7 @@ kmem:x:9:
 wheel:x:10:root
 mail:x:12:mail
 uucp:x:14:
-dialout:x:16:
+dialout:x:16:nobody
 floppy:x:19:
 tape:x:20:
 utmp:x:22:

config/rootfiles/core/78/update.sh

@@ -173,6 +173,9 @@ chmod 4755 /usr/bin/ping
 # Update Language cache
 perl -e "require '/var/ipfire/lang.pl'; &Lang::BuildCacheLang"
 
+# Add nobody to group dialout
+usermod -a -G dialout nobody
+
 #
 # Start services
 #