Fix annotation errors,update CoordinateData.java 纠正注释错误

Fix annotation errors，纠正注释错误

easyexcel-core/src/main/java/com/alibaba/excel/metadata/data/CoordinateData.java

@@ -43,7 +43,7 @@ public class CoordinateData {
      */
     private Integer relativeLastRowIndex;
     /**
-     *relative  last column index
+     * relative  last column index
      */
     private Integer relativeLastColumnIndex;
 }