Fix preparing statement with batch and delete from collection

patch by Jan Chochol; reviewed by slebresne for CASSANDRA-6607

CHANGES.txt

@@ -15,6 +15,7 @@
  * skip blocking on streaming during drain (CASSANDRA-6603)
  * Improve error message when schema doesn't match loaded sstable (CASSANDRA-6262)
  * Add properties to adjust FD initial value and max interval (CASSANDRA-4375)
+ * Fix preparing with batch and delete from collection (CASSANDRA-6607)
 
 
 1.2.13

src/java/org/apache/cassandra/cql3/statements/BatchStatement.java

@@ -139,7 +139,7 @@ public class BatchStatement extends ModificationStatement
 
     public ParsedStatement.Prepared prepare() throws InvalidRequestException
     {
-        CFDefinition.Name[] boundNames = new CFDefinition.Name[getBoundTerms()];
+        ColumnSpecification[] boundNames = new ColumnSpecification[getBoundTerms()];
         return prepare(boundNames);
     }