Bugfix: Comparing size of list with itself gives no meaning in validation

src/main/java/no/bioforsk/vips/model/naerstadmodel/NaerstadModel.java

@@ -228,7 +228,7 @@ public class NaerstadModel extends I18nImpl implements Model{
         if(        this.RR.size() != this.TM.size()
                 || this.Q0.size() != this.TM.size()
                 || this.UM.size() != this.TM.size()
-                || this.BT.size() != this.BT.size())
+                || this.BT.size() != this.TM.size())
         {
             throw new ConfigValidationException("Incorrect number of weather data. TM.size() = " + this.TM.size() + ", BT.size()=" + this.BT.size() + ", UM.size()=" + this.UM.size() + ", RR.size()=" + this.RR.size() + ", Q0.size=" + this.Q0.size());
         }