get maven 1.0.2 working

java/commons-cli.nix

@@ -1,4 +1,4 @@
-{stdenv, fetchFromGitHub, jdk6, ant_1_7, maven, commons-lang}: stdenv.mkDerivation rec {
+{stdenv, fetchFromGitHub, jdk6, ant_1_7, maven, commons-lang_1}: stdenv.mkDerivation rec {
     pname = "commons-cli";
     version = "1.0";
     outJar = "commons-cli-1.0-beta-2-dev.jar";
@@ -14,7 +14,7 @@
 
     env = {
         JAVA_HOME="${jdk6}";
-        CLASSPATH="${commons-lang}/commons-lang-2.0.jar";
+        CLASSPATH="${commons-lang_1}/commons-lang-1.0.jar";
     };
 
     buildPhase = ''