minor code modification

git-svn-id: https://svn.apache.org/repos/asf/xalan/java/branches/xalan-j_2_7_1_maint@1857291 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/org/apache/xalan/lib/ExsltDatetime.java b/src/org/apache/xalan/lib/ExsltDatetime.java
index 5a47207..44702e2 100644
--- a/src/org/apache/xalan/lib/ExsltDatetime.java
+++ b/src/org/apache/xalan/lib/ExsltDatetime.java
@@ -112,9 +112,9 @@
       try {
          GregorianCalendar cal = new GregorianCalendar();
          cal.setTime(new Date());
-         XMLGregorianCalendar xCal = DatatypeFactory.newInstance().newXMLGregorianCalendar(cal);
-         xCal.setMillisecond(DatatypeConstants.FIELD_UNDEFINED);
-         resultStr = xCal.toXMLFormat();
+         XMLGregorianCalendar xmlGcal = DatatypeFactory.newInstance().newXMLGregorianCalendar(cal);
+         xmlGcal.setMillisecond(DatatypeConstants.FIELD_UNDEFINED);
+         resultStr = xmlGcal.toXMLFormat();
       }
       catch (DatatypeConfigurationException ex) {