Why not fix the comment while we are at it?

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@278122 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/util/FileUtils.java

@@ -89,7 +89,7 @@ public class FileUtils {
     /**
      * The granularity of timestamps under the NT File System.
      * NTFS has a granularity of 100 nanoseconds, which is less
-     * than 1 millisecond, so we set this to 0.
+     * than 1 millisecond, so we round this up to 1 millisecond.
      */
     public static final long NTFS_FILE_TIMESTAMP_GRANULARITY = 1;