hw/remote: update libvfio-user subproject

The currently wrapped version of libvfio-user has compilation issues on
newer compilers; bump the library version.

Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Jagannathan Raman <jag.raman@oracle.com>
Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com>
Link: https://lore.kernel.org/qemu-devel/20260422140244.2147400-1-john.levon@nutanix.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>

hw/remote/vfio-user-obj.c

@@ -800,7 +800,8 @@ static void vfu_object_init_ctx(VfuObject *o, Error **errp)
         goto fail;
     }
 
-    ret = vfu_setup_device_dma(o->vfu_ctx, &dma_register, &dma_unregister);
+    ret = vfu_setup_device_dma(o->vfu_ctx, LIBVFIO_USER_MAX_DMA_REGIONS,
+                               &dma_register, &dma_unregister);
     if (ret < 0) {
         error_setg(errp, "vfu: Failed to setup DMA handlers for %s",
                    o->device);

subprojects/libvfio-user.wrap

@@ -1,4 +1,4 @@
 [wrap-git]
 url = https://gitlab.com/qemu-project/libvfio-user.git
-revision = 0b28d205572c80b568a1003db2c8f37ca333e4d7
+revision = 4d9f663450fa80ff375612dbbafe073700e3d3d8
 depth = 1