Fix compilation without precompiled headers

Originally committed to SVN as r5726.

aegisub/src/audio_box.cpp

@@ -40,6 +40,7 @@
 #include <math.h>
 
 #include <wx/bmpbuttn.h>
+#include <wx/panel.h>
 #include <wx/slider.h>
 #include <wx/scrolbar.h>
 #include <wx/sizer.h>

aegisub/src/audio_box.h

@@ -48,6 +48,7 @@ class AudioDisplay;
 class wxBitmapToggleButton;
 class wxButton;
 class wxCommandEvent;
+class wxPanel;
 class wxScrollEvent;
 class wxSizer;
 class wxSlider;

aegisub/src/command/audio.cpp

@@ -40,6 +40,7 @@
 
 #ifndef AGI_PRE
 #include <wx/filedlg.h>
+#include <wx/msgdlg.h>
 #endif
 
 #include "command.h"

aegisub/src/dialog_style_editor.cpp

@@ -37,8 +37,9 @@
 #include "config.h"
 
 #ifndef AGI_PRE
-#include <tr1/algorithm>
+#include <algorithm>
 
+#include <wx/bmpbuttn.h>
 #include <wx/colordlg.h>
 #include <wx/fontdlg.h>
 #include <wx/fontenum.h>

aegisub/src/dialog_style_manager.cpp

@@ -36,6 +36,7 @@
 #include "config.h"
 
 #ifndef AGI_PRE
+#include <wx/bmpbuttn.h>
 #include <wx/clipbrd.h>
 #include <wx/filedlg.h>
 #include <wx/filename.h>