Update metafacture-biblio/src/main/java/org/metafacture/biblio/marc21…

…/MarcXmlEncoder.java

Co-authored-by: Jens Wille <[email protected]>

metafacture-biblio/src/main/java/org/metafacture/biblio/marc21/MarcXmlEncoder.java

@@ -104,7 +104,7 @@ public String close(final Object[] args) {
 
     private final StringBuilder builder = new StringBuilder();
 
-    private final StringBuilder  builderLeader = new StringBuilder();
+    private final StringBuilder builderLeader = new StringBuilder();
     private boolean atStreamStart = true;
 
     private boolean omitXmlDeclaration = OMIT_XML_DECLARATION;