gpu: Add export.h as required to drivers/gpu files.
They need this to get all the EXPORT_SYMBOL variants and THIS_MODULE
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/drivers/gpu/drm/drm_hashtab.c b/drivers/gpu/drm/drm_hashtab.c
index e3a7568..68dc874 100644
--- a/drivers/gpu/drm/drm_hashtab.c
+++ b/drivers/gpu/drm/drm_hashtab.c
@@ -36,6 +36,7 @@
#include "drm_hashtab.h"
#include <linux/hash.h>
#include <linux/slab.h>
+#include <linux/export.h>
int drm_ht_create(struct drm_open_hash *ht, unsigned int order)
{