Avoid unexpected quit when typing slowly or deleting backward

Seems inhibit-quit is not enough here, use while-no-input.

helm-recoll.el

@@ -283,9 +283,10 @@ For more details see:
                           ; char backward.
     (helm-log "Command line used was:\n\n>>>%s" (mapconcat 'identity cmd " "))
     (with-temp-buffer
-      (apply #'call-process "recoll" nil t nil (cdr cmd))
-      (split-string (buffer-string) "\n" t))))
-
+      (unless (eq (while-no-input
+                    (apply #'call-process "recoll" nil '(t nil) nil (cdr cmd)))
+                  t)
+        (split-string (buffer-string) "\n" t)))))
 ;; As of Version: 1.22.4-1:
 ;; text/x-emacs-lisp	[file:///home/thierry/elisp/Emacs-wgrep/wgrep-helm.el]	[wgrep-helm.el]	3556	bytes	
 (defun helm-recoll-filter-one-by-one (file)