fixed bug whereby we were adding a String into an array of Signature objects

bcel-builder/src/org/aspectj/apache/bcel/classfile/GenericSignatureParser.java

@@ -213,7 +213,7 @@ public class GenericSignatureParser {
 					  ret.append(".");
 					  SimpleClassTypeSignature sig = parseSimpleClassTypeSignature();
 					  ret.append(sig.toString());
-					  nestedTypeList.add(ret);				  
+					  nestedTypeList.add(sig);				  
 				  }
 				  nestedTypes = new SimpleClassTypeSignature[nestedTypeList.size()];
 				  nestedTypeList.toArray(nestedTypes);