Fix typo in ZipArchiveEntry.xml

The sentence:

> ... 2107 December 31 23:59:58 (one second before midnight)

Should read:

> ... 2107 December 31 23:59:58 (**two seconds** before midnight)

Author: ericmutta

xml/System.IO.Compression/ZipArchiveEntry.xml

@@ -409,7 +409,7 @@ If the comment byte length is larger than <xref:System.UInt16.MaxValue>, it will
 -or-
 
  The archive mode is set to <see cref="F:System.IO.Compression.ZipArchiveMode.Update" /> and the entry has been opened.</exception>
-        <exception cref="T:System.ArgumentOutOfRangeException">An attempt was made to set this property to a value that is either earlier than 1980 January 1 0:00:00 (midnight) or later than 2107 December 31 23:59:58 (one second before midnight).</exception>
+        <exception cref="T:System.ArgumentOutOfRangeException">An attempt was made to set this property to a value that is either earlier than 1980 January 1 0:00:00 (midnight) or later than 2107 December 31 23:59:58 (two seconds before midnight).</exception>
       </Docs>
     </Member>
     <Member MemberName="Length">