fix type

Author: fitekonea

impl/maven-impl/src/main/java/org/apache/maven/impl/DefaultModelXmlFactory.java

@@ -131,10 +131,10 @@ public void write(XmlWriterRequest<Model> request) throws XmlWriterException {
             final MavenStaxWriter xmlWriter = new MavenStaxWriter();
             xmlWriter.setAddLocationInformation(false);
 
-            final Function<Object, String> fmtformatter = request.getInputLocationFormatter();
-            if (fmtformatter != null) {
+            final Function<Object, String> formatter = request.getInputLocationFormatter();
+            if (formatter != null) {
                 xmlWriter.setAddLocationInformation(true);
-                final Function<InputLocation, String> adapter = fmtformatter::apply;
+                final Function<InputLocation, String> adapter = formatter::apply;
                 xmlWriter.setStringFormatter(adapter);
             }