Fix missing forward decl.

diff --git a/xmltooling/util/Predicates.h b/xmltooling/util/Predicates.h
index b63c4c9..dfe4763 100644 (file)
--- a/xmltooling/util/Predicates.h
+++ b/xmltooling/util/Predicates.h
@@ -27,6 +27,7 @@
 #ifndef __xmltooling_predicates_h__
 #define __xmltooling_predicates_h__
 
+#include <xmltooling/QName.h>
 #include <xmltooling/XMLObject.h>
 
 #include <functional>