grandenet script: fix taking first found config.

net-misc/re6stnet/files/grandenet

@@ -112,7 +112,7 @@ fi
 # try to find a saved configuration
 if [ ! -r "${configfile}" ] ; then
     echo "Looking for configuration directory on external devices..."
-    path=$(find "${mountpoint}" -maxdepth 3 -type d | grep re6stconf)
+    path=$(find "${mountpoint}" -maxdepth 3 -type d | grep re6stconf | head -n 1)
     if [ "${path}" != "" ] ; then
         read -p "Use configuration directory found at: ${path} [Y/n]? " usefound
     else