Add missing header.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@19728 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/widgets/combobox.cpp

@@ -30,6 +30,7 @@
 #ifndef WX_PRECOMP
     #include "wx/log.h"
 
+    #include "wx/bitmap.h"
     #include "wx/button.h"
     #include "wx/checkbox.h"
     #include "wx/combobox.h"

samples/widgets/gauge.cpp

@@ -29,6 +29,7 @@
     #include "wx/log.h"
     #include "wx/timer.h"
 
+    #include "wx/bitmap.h"
     #include "wx/button.h"
     #include "wx/checkbox.h"
     #include "wx/combobox.h"

samples/widgets/listbox.cpp

@@ -28,6 +28,7 @@
 #ifndef WX_PRECOMP
     #include "wx/log.h"
 
+    #include "wx/bitmap.h"
     #include "wx/button.h"
     #include "wx/checkbox.h"
     #include "wx/combobox.h"

samples/widgets/radiobox.cpp

@@ -28,6 +28,7 @@
 #ifndef WX_PRECOMP
     #include "wx/log.h"
 
+    #include "wx/bitmap.h"
     #include "wx/button.h"
     #include "wx/checkbox.h"
     #include "wx/radiobox.h"

samples/widgets/slider.cpp

@@ -28,6 +28,7 @@
 #ifndef WX_PRECOMP
     #include "wx/log.h"
 
+    #include "wx/bitmap.h"
     #include "wx/button.h"
     #include "wx/checkbox.h"
     #include "wx/radiobox.h"

samples/widgets/spinbtn.cpp

@@ -28,6 +28,7 @@
 #ifndef WX_PRECOMP
     #include "wx/log.h"
 
+    #include "wx/bitmap.h"
     #include "wx/button.h"
     #include "wx/checkbox.h"
     #include "wx/radiobox.h"

samples/widgets/static.cpp

@@ -28,6 +28,7 @@
 #ifndef WX_PRECOMP
     #include "wx/log.h"
 
+    #include "wx/bitmap.h"
     #include "wx/button.h"
     #include "wx/checkbox.h"
     #include "wx/radiobox.h"

samples/widgets/textctrl.cpp

@@ -29,6 +29,7 @@
     #include "wx/log.h"
     #include "wx/timer.h"
 
+    #include "wx/bitmap.h"
     #include "wx/button.h"
     #include "wx/checkbox.h"
     #include "wx/radiobox.h"