drm: Add export.h for EXPORT_SYMBOL to ttm/ttm_tt.c

This exports symbols, but wasn't calling out the module.h header
before.  Add in export.h so that it still builds once we halt the
spread of module.h to every file.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index 58c271ebc0f73f6829dae7cffa9d680480ad0dd1..f9cc548d6d98cddfe0eccb5dcc154b059162b2d1 100644 (file)
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -35,6 +35,7 @@
 #include <linux/file.h>
 #include <linux/swap.h>
 #include <linux/slab.h>
+#include <linux/export.h>
 #include "drm_cache.h"
 #include "drm_mem_util.h"
 #include "ttm/ttm_module.h"