Add missing headers.

Originally committed to SVN as r5171.

aegisub/src/command/help.cpp

@@ -42,6 +42,8 @@
 #include <wx/msgdlg.h>
 #endif
 
+#include <libaegisub/util_osx.h>
+
 #include "command.h"
 #include "../include/aegisub/context.h"
 

aegisub/src/dialog_colorpicker.cpp

@@ -52,6 +52,7 @@
 #include <wx/event.h>
 #include <wx/gbsizer.h>
 #include <wx/image.h>
+#include <wx/rawbmp.h>
 #include <wx/settings.h>
 #include <wx/sizer.h>
 #include <wx/spinctrl.h>