[nongnu] elpa/helm 829adf70e3 1/4: Fix error in helm-locate-lib-get-summary

[ELPA Syncer]

branch: elpa/helm
commit 829adf70e39d1c2c61233c31dc99cd38c81a3205
Author: Thierry Volpiatto <thievol@posteo.net>
Commit: Thierry Volpiatto <thievol@posteo.net>

    Fix error in helm-locate-lib-get-summary
---
 helm-lib.el | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/helm-lib.el b/helm-lib.el
index e2e5c56abb..395d797cc6 100644
--- a/helm-lib.el
+++ b/helm-lib.el
@@ -1738,9 +1738,11 @@ Directories expansion is not supported."
                         (shell-quote-argument file)
                         regexp)))
          output)
+    (set-process-filter proc nil)
     (set-process-sentinel
      proc (lambda (process event)
-            (when (string= event "finished\n")
+            (when (and (string= event "finished\n")
+                       (process-buffer process))
               (setq output
                     (with-current-buffer (process-buffer process)
                       (replace-regexp-in-string