whitespace (3sp to 4sp)

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1751839 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/poi/ss/formula/WorkbookEvaluator.java

@@ -738,7 +738,8 @@ public final class WorkbookEvaluator {
     /**
      * Used by the lazy ref evals whenever they need to get the value of a contained cell.
      */
-    /* package */ ValueEval evaluateReference(EvaluationSheet sheet, int sheetIndex, int rowIndex,
+    /* package */ ValueEval evaluateReference(
+            EvaluationSheet sheet, int sheetIndex, int rowIndex,
             int columnIndex, EvaluationTracker tracker) {
 
         EvaluationCell cell = sheet.getCell(rowIndex, columnIndex);