Update kernel headers to v3.18.3.

Bug: 19127803
Change-Id: I67fa0832322ddd0032d909476047578be052bcf2
diff --git a/libc/kernel/uapi/drm/vmwgfx_drm.h b/libc/kernel/uapi/drm/vmwgfx_drm.h
index 5536ea1..9d8a905 100644
--- a/libc/kernel/uapi/drm/vmwgfx_drm.h
+++ b/libc/kernel/uapi/drm/vmwgfx_drm.h
@@ -18,7 +18,7 @@
  ****************************************************************************/
 #ifndef __VMWGFX_DRM_H__
 #define __VMWGFX_DRM_H__
-#include <drm.h>
+#include <drm/drm.h>
 #define DRM_VMW_MAX_SURFACE_FACES 6
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DRM_VMW_MAX_MIP_LEVELS 24