1.2.0.18
Update to fix some undeclared variable warnings

git-svn-id: https://plugins.svn.wordpress.org/ad-injection/trunk@1050088 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update tag to 1.2.0.18

git-svn-id: https://plugins.svn.wordpress.org/ad-injection/trunk@1050090 b8457f37-d9ea-0310-8a92-e5e31aec5664