Remove extra vertical whitespace

Author: garydgregory

src/main/java/org/apache/commons/lang3/builder/HashCodeBuilder.java

@@ -766,7 +766,6 @@ public HashCodeBuilder append(final long[] array) {
     public HashCodeBuilder append(final Object object) {
         if (object == null) {
             iTotal = iTotal * iConstant;
-
         } else if (ObjectUtils.isArray(object)) {
             // factor out array case in order to keep method small enough
             // to be inlined