drm: run cleanfile across drm tree

Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/sis_mm.c b/drivers/char/drm/sis_mm.c
index a6b7ccd..42836f4 100644
--- a/drivers/char/drm/sis_mm.c
+++ b/drivers/char/drm/sis_mm.c
@@ -249,7 +249,7 @@
 			return 0;
 		}
 	}
-	
+
 	/*
 	 * Implement a device switch here if needed
 	 */