allow for X

git-svn-id: svn+ssh://svn.internal.sanger.ac.uk/repos/svn/pathsoft/artemis/trunk@16073 ee4ac58c-ac51-4696-9907-e4b3aa274f04

uk/ac/sanger/artemis/components/variant/VariantBase.java

@@ -109,7 +109,7 @@ public class VariantBase
 
   protected boolean isNonVariant()
   {
-    if (alt.equals(".") && record.getRef().length() == 1)
+    if ((alt.equals(".") ||  alt.equals("X")) && record.getRef().length() == 1)
       return true;
     return false;
   }