Bump event context structure version for page flipping
diff --git a/xf86drm.h b/xf86drm.h
index 89f1db1..9b89f56 100644
--- a/xf86drm.h
+++ b/xf86drm.h
@@ -693,7 +693,7 @@
 extern int drmSetMaster(int fd);
 extern int drmDropMaster(int fd);
 
-#define DRM_EVENT_CONTEXT_VERSION 1
+#define DRM_EVENT_CONTEXT_VERSION 2
 
 typedef struct _drmEventContext {