fix typo

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7244 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/base-files/files/usr/share/udhcpc/default.script b/package/base-files/files/usr/share/udhcpc/default.script
index 76ba746..53bb699 100755 (executable)
--- a/package/base-files/files/usr/share/udhcpc/default.script
+++ b/package/base-files/files/usr/share/udhcpc/default.script
@@ -28,7 +28,7 @@ case "$1" in
                netmask ${subnet:-255.255.255.0} \
                broadcast ${broadcast:-+}
 
-               [ "$router"] && {
+               [ -n "$router" ] && {
                        for i in $router ; do
                                echo "adding router $i"
                                route add default gw $i dev $interface