made CronSequenceGenerator public (SPR-6920)

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@3097 50f2f4bb-b051-0410-bef5-90022cba6387

org.springframework.context/src/main/java/org/springframework/scheduling/support/CronSequenceGenerator.java

@@ -50,7 +50,7 @@ import org.springframework.util.StringUtils;
  * @since 3.0
  * @see CronTrigger
  */
-class CronSequenceGenerator {
+public class CronSequenceGenerator {
 
 	private final BitSet seconds = new BitSet(60);