[PATCH] properly check if $rc_server1 is not "0.0.0.0"

[Evgeni Golov <evgeni+git@golov.de>]

From: Evgeni Golov <evgeni@grml.org>

`if [ "${rc_server1}" ! = "0.0.0.0" ]` is wrong shell syntax
---
 components/9990-netbase.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/9990-netbase.sh b/components/9990-netbase.sh
index 496c3ff..af3522f 100755
--- a/components/9990-netbase.sh
+++ b/components/9990-netbase.sh
@@ -120,7 +120,7 @@ EOF
 
 				rc_server1=$(cat netboot.config | awk '/dns0/ { print $8 }')
 
-				if [ "${rc_server1}" ! = "0.0.0.0" ]
+				if [ "${rc_server1}" != "0.0.0.0" ]
 				then
 					echo "nameserver ${rc_server1}" >> /root/etc/resolv.conf
 				fi
-- 
1.9.1