shell script is now osx, but no longer gnu :)

Author: solsson

update-kafka-image.sh

@@ -4,5 +4,5 @@ IMAGE=$1
 [ -z "$IMAGE" ] && echo "First argument should be the image to set" && exit 1
 
 for F in ./ test/ zookeeper/; do
-  sed -i "s|image: solsson/kafka:.*|image: $IMAGE|" $F*.yml
+  sed -i '' "s|image: solsson/kafka:.*|image: $IMAGE|" $F*.yml
 done