Changing string constant for classDir, since the package changed names (correctly) to "weaver"

weaver/testsrc/org/aspectj/weaver/bcel/WeaveTestCase.java

@@ -54,7 +54,7 @@ public abstract class WeaveTestCase extends TestCase {
         weaveTest(name, outName, l);
     }
     
-    static String classDir = "../bcweaver/bin";
+    static String classDir = "../weaver/bin";
     static String outDir = "out";