Patch for clear JDBC cache

Hi,

When clearing a cache with a key ending with a colon, the SQL has the
syntax "xxx = like key". The = causes an SQL syntax error.

svn diff src/java/org/apache/jcs/auxiliary/disk/jdbc/JDBCDiskCache.java
Index: src/java/org/apache/jcs/auxiliary/disk/jdbc/JDBCDiskCache.java
===================================================================
--- src/java/org/apache/jcs/auxiliary/disk/jdbc/JDBCDiskCache.java
 (revision 514637)
+++ src/java/org/apache/jcs/auxiliary/disk/jdbc/JDBCDiskCache.java
 (working copy)
@@ -554,7 +554,7 @@
             {
                 // remove all keys of the same name group.
                 sql = "delete from " +
getJdbcDiskCacheAttributes().getTableName() + " where REGION = '"
-                    + this.getCacheName() + "' and CACHE_KEY = like
'" + key + "%'";
+                   + this.getCacheName() + "' and CACHE_KEY like '" +
key + "%'";
             }
             Connection con = poolAccess.getConnection();
             Statement sStatement = null;