Remove wx/{html/htmlwin,fileconf,dragimag,debug,dcclient}.h from *.h

src/widgets/ExpandingToolBar.h

@@ -15,7 +15,7 @@
 #include <vector>
 #include <wx/defs.h>
 #include <wx/dialog.h>
-#include <wx/dragimag.h>
+#include <wx/dragimag.h> // use macros and typedefs in this header
 #include <wx/panel.h>
 #include <wx/timer.h>
 #include <wx/minifram.h>

src/widgets/HtmlWindow.h

@@ -27,7 +27,7 @@ around to NEW positions.
 
 #include <wx/setup.h> // for wxUSE_* macros
 #include <wx/defs.h>
-#include <wx/html/htmlwin.h>
+#include <wx/html/htmlwin.h> // to inherit
 
 #if wxUSE_ACCESSIBILITY
 #include "WindowAccessible.h"

src/widgets/ImageRoll.h

@@ -13,7 +13,7 @@
 #define __AUDACITY_IMAGE_ROLL__
 
 #include <vector>
-#include <wx/dcclient.h>
+#include <wx/dc.h> // for enum wxRasterOperationMode
 #include <wx/defs.h>
 #include <wx/version.h>
 #include "wxPanelWrapper.h"

src/widgets/LinkingHtmlWindow.h

@@ -16,8 +16,6 @@
 #ifndef __AUDACITY_LINKINGHTMLWINDOW__
 #define __AUDACITY_LINKINGHTMLWINDOW__
 
-#include <wx/html/htmlwin.h>
-
 #include "HtmlWindow.h"
 #include "wxPanelWrapper.h"