fix length calculation (it was including +/- char when it shouldn't)

git-svn-id: file:///humgen/gsa-scr1/gsa-engineering/svn_contents/trunk@1410 348d0f76-0448-11de-a6fe-93d51630548a

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

@@ -22,7 +22,7 @@ public class SimpleIndelROD extends TabularROD implements Genotype, AllelicVaria
             return Arrays.asList(this.get("4"));
 
         String str = this.get("3");
-        return Arrays.asList(str.substring(0, str.indexOf(":")));    
+        return Arrays.asList(str.substring(1, str.indexOf(":")));    
     }
 
     public String getFWDRefBases() { return ""; }