server: Add an open_file() function to the object operations.
diff --git a/server/process.c b/server/process.c
index 1c53f49..f947d6d 100644
--- a/server/process.c
+++ b/server/process.c
@@ -75,6 +75,7 @@
     no_get_fd,                   /* get_fd */
     process_map_access,          /* map_access */
     no_lookup_name,              /* lookup_name */
+    no_open_file,                /* open_file */
     no_close_handle,             /* close_handle */
     process_destroy              /* destroy */
 };
@@ -119,6 +120,7 @@
     no_get_fd,                     /* get_fd */
     no_map_access,                 /* map_access */
     no_lookup_name,                /* lookup_name */
+    no_open_file,                  /* open_file */
     no_close_handle,               /* close_handle */
     startup_info_destroy           /* destroy */
 };