virgl: fd should be an int in export_fence

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
Acked-by: David Stevens <stevensd@chromium.org>

src/virglrenderer.c

@@ -765,7 +765,7 @@ virgl_renderer_resource_export_blob(uint32_t res_id, uint32_t *fd_type, int *fd)
 }
 
 int
-virgl_renderer_export_fence(uint32_t client_fence_id, uint32_t *fd)
+virgl_renderer_export_fence(uint32_t client_fence_id, int *fd)
 {
    return vrend_renderer_export_fence(client_fence_id, fd);
 }

src/virglrenderer.h

@@ -298,7 +298,7 @@ VIRGL_EXPORT int
 virgl_renderer_resource_export_blob(uint32_t res_id, uint32_t *fd_type, int *fd);
 
 VIRGL_EXPORT int
-virgl_renderer_export_fence(uint32_t client_fence_id, uint32_t *fd);
+virgl_renderer_export_fence(uint32_t client_fence_id, int *fd);
 
 #endif /* VIRGL_RENDERER_UNSTABLE_APIS */