when compiling, don't include whatever happens to be in ant's runtime in the classpath
when compiling, don't include whatever happens to be in ant's runtime in the classpath

git-svn-id: 308d55f399f3bd9aa0560a10e81a003040006c48@1052991 13f79535-47bb-0310-9956-ffa450edef68

cscorley/solr-only-mirror,cscorley/solr-only-mirror,cscorley/solr-only-mirror