missing include files

git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@1428 e5f2f494-b856-4b98-b285-d166d9295462

src/lib/dns/rrclass-placeholder.h

@@ -17,6 +17,11 @@
 #ifndef __RRCLASS_H
 #define __RRCLASS_H 1
 
+#include <stdint.h>
+
+#include <string>
+#include <ostream>
+
 #include <exceptions/exceptions.h>
 
 namespace isc {

src/lib/dns/rrtype-placeholder.h

@@ -17,6 +17,11 @@
 #ifndef __RRTYPE_H
 #define __RRTYPE_H 1
 
+#include <stdint.h>
+
+#include <string>
+#include <ostream>
+
 #include <exceptions/exceptions.h>
 
 namespace isc {