[nongnu] elpa/sly 9c43bf65b9: Fix #470: Unbreak odd non-SLY uses of slynk/indentation system

[ELPA Syncer]

branch: elpa/sly
commit 9c43bf65b967e12cef1996f1af5f0671d8aecbf4
Author: André A. Gomes <andremegafone@gmail.com>
Commit: GitHub <noreply@github.com>

    Fix #470: Unbreak odd non-SLY uses of slynk/indentation system
    
    Let SLYNK::SEND-TO-INDENTATION-CACHE be called without Emacs connection
    
    * slynk/slynk.lisp (send-to-indentation-cache): Don't fail if no Emacs 
connection.
---
 slynk/slynk.lisp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/slynk/slynk.lisp b/slynk/slynk.lisp
index 0458a20a1d..7054045979 100644
--- a/slynk/slynk.lisp
+++ b/slynk/slynk.lisp
@@ -3942,7 +3942,8 @@ after each command.")
        (handle-indentation-cache-request c request))
       (multithreaded-connection
        (without-sly-interrupts
-         (send (mconn.indentation-cache-thread c) request))))))
+         (send (mconn.indentation-cache-thread c) request)))
+      (null t))))
 
 (defun indentation-cache-loop (connection)
   (with-connection (connection)