cmdlistener: Fix MGI::Noop to require TestExistence

This saves an assertion failure when it's invoked!

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/daemon/cmdlistener.rs b/daemon/cmdlistener.rs
index a74bd3378c56403c1ff6f3fbc1927be0db54b467..22cebb717c28ec553e33463b616c4ad41f67b4d0 100644 (file)
--- a/daemon/cmdlistener.rs
+++ b/daemon/cmdlistener.rs
@@ -607,7 +607,7 @@ fn execute_game_insn<'cs, 'igr, 'ig: 'igr>(
   }
 
   let y = match update {
-    MGI::Noop { } => readonly(cs,ag,ig, &[], |_| Ok(Fine))?,
+    MGI::Noop { } => readonly(cs,ag,ig, &[TP::TestExistence], |_| Ok(Fine))?,
 
     MGI::SetTableSize(size) => {
       let ig = cs.check_acl(ag, ig, PCH::Instance, &[TP::ChangePieces])?.0;