VCFGenotypeRecord already defines all the methods needed to be SampleBacked, so let's annotate it as being SampleBacked. This way, when used as a generic Genotype, sample data can be retrieved.

git-svn-id: file:///humgen/gsa-scr1/gsa-engineering/svn_contents/trunk@2305 348d0f76-0448-11de-a6fe-93d51630548a

java/src/org/broadinstitute/sting/utils/genotype/vcf/VCFGenotypeRecord.java

@@ -12,7 +12,7 @@ import java.util.*;
  *         Class VCFGenotypeRecord
  *         <p/>
  */
-public class VCFGenotypeRecord implements Genotype {
+public class VCFGenotypeRecord implements Genotype, SampleBacked {
 
     // key names
     public static final String GENOTYPE_KEY = "GT";