drm/radeon: mkregtable.c: close a file before exit

Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/mkregtable.c b/drivers/gpu/drm/radeon/mkregtable.c
index 0d79577..607241c 100644
--- a/drivers/gpu/drm/radeon/mkregtable.c
+++ b/drivers/gpu/drm/radeon/mkregtable.c
@@ -661,8 +661,10 @@
 	fseek(file, 0, SEEK_SET);
 
 	/* get header */
-	if (fgets(buf, 1024, file) == NULL)
+	if (fgets(buf, 1024, file) == NULL) {
+		fclose(file);
 		return -1;
+	}
 
 	/* first line will contain the last register
 	 * and gpu name */