REPORT-13856 单元格设置行间距导出word不生效

fine-itext-old/src/com/fr/third/com/lowagie/text/rtf/style/RtfParagraphStyle.java

@@ -637,7 +637,7 @@ public class RtfParagraphStyle extends RtfFont {
             result.write(RtfParagraphStyle.SPACING_AFTER);
             result.write(intToByteArray(this.spacingAfter));
         }
-        if(this.lineLeading > 0) {
+        if(this.lineLeading != 0) {
             result.write(RtfParagraph.LINE_SPACING);
             result.write(intToByteArray(this.lineLeading));
         }