1 files changed, 4 insertions, 4 deletions
diff --git a/src/dotgfxhierarchytable.h b/src/dotgfxhierarchytable.h
index e85f3e9..0d37881 100644
--- a/src/dotgfxhierarchytable.h
+++ b/src/dotgfxhierarchytable.h
@@ -31,10 +31,10 @@ class ClassLinkedMap;
 class DotGfxHierarchyTable : public DotGraph
 {
   public:
-    DotGfxHierarchyTable(const char *prefix="",ClassDef::CompoundType ct=ClassDef::Class);
-    void createGraph(DotNode *rootNode,std::ostream &t,const char *path,
-                     const char *fileName,int id);
-    void writeGraph(std::ostream &t,const char *path, const char *fileName);
+    DotGfxHierarchyTable(const QCString &prefix="",ClassDef::CompoundType ct=ClassDef::Class);
+    void createGraph(DotNode *rootNode,TextStream &t,const QCString &path,
+                     const QCString &fileName,int id);
+    void writeGraph(TextStream &t,const QCString &path, const QCString &fileName);
     const std::vector<DotNode*> subGraphs() const { return m_rootSubgraphs; }
 
   protected: