Added setters for table row and column count

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74847 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/richtext/richtextbuffer.h

@@ -5689,11 +5689,21 @@ public:
     */
     int GetRowCount() const { return m_rowCount; }
 
+    /**
+        Sets the row count.
+    */
+    void SetRowCount(int count) { m_rowCount = count; }
+
     /**
         Returns the column count.
     */
     int GetColumnCount() const { return m_colCount; }
 
+    /**
+        Sets the column count.
+    */
+    void SetColumnCount(int count) { m_colCount = count; }
+
     /**
         Returns the cell at the given row/column position.
     */