crocus: properly free resources on BO allocation failure

Iris already has the same fix applied.

Fixes: f3630548f1 ("crocus: initial gallium driver for Intel gfx 4-7")
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30305>

src/gallium/drivers/crocus/crocus_resource.c

@@ -802,7 +802,7 @@ crocus_resource_from_handle(struct pipe_screen *pscreen,
       unreachable("invalid winsys handle type");
    }
    if (!res->bo)
-      return NULL;
+      goto fail;
 
    res->offset = whandle->offset;
    res->external_format = whandle->format;