st/dri: Add missing header.

Add GL/internal/dri_interface.h for __DRI_TEXTURE_FORMAT_RGB.

diff --git a/src/gallium/state_trackers/dri/drm/dri2.c b/src/gallium/state_trackers/dri/drm/dri2.c
index 5ab7067..7c84fcf 100644 (file)
--- a/src/gallium/state_trackers/dri/drm/dri2.c
+++ b/src/gallium/state_trackers/dri/drm/dri2.c
@@ -41,6 +41,8 @@
 #include "dri_st_api.h"
 #include "dri2.h"
 
+#include "GL/internal/dri_interface.h"
+
 /**
  * DRI2 flush extension.
  */