Add a method to retrieve the message for InvalidToken

git-svn-id: https://smali.googlecode.com/svn/trunk@757 55b6fa8a-2a1e-11de-a435-ffa8d773f76a
diff --git a/smali/src/main/java/org/jf/smali/InvalidToken.java b/smali/src/main/java/org/jf/smali/InvalidToken.java
index 8cfe713..b7b1078 100644
--- a/smali/src/main/java/org/jf/smali/InvalidToken.java
+++ b/smali/src/main/java/org/jf/smali/InvalidToken.java
@@ -32,7 +32,7 @@
 import org.antlr.runtime.CommonToken;
 
 public class InvalidToken extends CommonToken {
-    private String message;
+    private final String message;
 
     public InvalidToken(String message) {
         super(smaliParser.INVALID_TOKEN);
@@ -45,4 +45,8 @@
         this.message = message;
         this.channel = smaliLexer.ERROR_CHANNEL;
     }
+
+    public String getMessage() {
+        return message;
+    }
 }