An accessor for the VCF header

git-svn-id: file:///humgen/gsa-scr1/gsa-engineering/svn_contents/trunk@2051 348d0f76-0448-11de-a6fe-93d51630548a

java/src/org/broadinstitute/sting/gatk/refdata/RodVCF.java

@@ -369,6 +369,10 @@ public class RodVCF extends BasicReferenceOrderedDatum implements VariationRod,
         return null;
     }
 
+    public VCFHeader getHeader() {
+        return mReader.getHeader();
+    }
+
     /**
      * do we have the specified genotype?  not all backedByGenotypes
      * have all the genotype data.