fix for isNonVariant()

git-svn-id: svn+ssh://svn.internal.sanger.ac.uk/repos/svn/pathsoft/artemis/trunk@15545 ee4ac58c-ac51-4696-9907-e4b3aa274f04

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

@@ -522,7 +522,7 @@ class VCFRecord
     
     protected boolean isNonVariant()
     {
-      if(alt.equals("."))
+      if(alt.equals(".") && ref.length() == 1)
         return true;
       return false;
     }