add const qualifiers

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52414 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/fontpicker.h

@@ -91,13 +91,13 @@ public:
     /**
         Returns the maximum point size value allowed for the user-chosen font.
     */
-    unsigned int GetMaxPointSize();
+    unsigned int GetMaxPointSize() const;
 
     /**
         Returns the currently selected font.
         Note that this function is completely different from wxWindow::GetFont.
     */
-    wxFont GetSelectedFont();
+    wxFont GetSelectedFont() const;
 
     /**
         Sets the maximum point size value allowed for the user-chosen font.
@@ -144,7 +144,7 @@ public:
     /**
         Retrieve the font the user has just selected.
     */
-    wxFont GetFont();
+    wxFont GetFont() const;
 
     /**
         Set the font associated with the event.