radeon: More missing stdio.h includes.

src/gallium/drivers/radeon/r600_pipe_common.h

@@ -32,6 +32,8 @@
 #ifndef R600_PIPE_COMMON_H
 #define R600_PIPE_COMMON_H
 
+#include <stdio.h>
+
 #include "../../winsys/radeon/drm/radeon_winsys.h"
 
 #include "util/u_range.h"

src/gallium/winsys/radeon/drm/radeon_drm_bo.c

@@ -41,6 +41,7 @@
 #include <xf86drm.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <stdio.h>
 
 /*
  * this are copy from radeon_drm, once an updated libdrm is released