swrast: Clean up header file inclusion in s_depth.h.

diff --git a/src/mesa/swrast/s_depth.h b/src/mesa/swrast/s_depth.h
index e5dae7e..44820ac 100644 (file)
--- a/src/mesa/swrast/s_depth.h
+++ b/src/mesa/swrast/s_depth.h
@@ -27,9 +27,12 @@
 #define S_DEPTH_H
 
 
-#include "main/mtypes.h"
+#include "main/glheader.h"
 #include "s_span.h"
 
+struct gl_context;
+struct gl_renderbuffer;
+
 
 extern GLuint
 _swrast_depth_test_span( struct gl_context *ctx, SWspan *span);