include cleanup, no functional changes

- removed DNA_brush_types.h from DNA_scene_types.h (and some other similar cases)
- removed DNA_wave_types.h (never used)
- removed Main.wave

source/blender/blenlib/intern/bpath.c

@@ -43,6 +43,8 @@
 
 #include "DNA_mesh_types.h"
 #include "DNA_scene_types.h" /* to get the current frame */
+#include "DNA_image_types.h"
+#include "DNA_sound_types.h"
 #include "DNA_sequence_types.h"
 #include "DNA_vfont_types.h"
 #include "DNA_windowmanager_types.h"