(rgrep): Fix last change.

diff --git a/lisp/progmodes/grep.el b/lisp/progmodes/grep.el
index ecc386404c6bff9e33b3a324e1d82369d41c4d44..433c2705cd5632d358f1112f3b239aaf644f41a5 100644 (file)
--- a/lisp/progmodes/grep.el
+++ b/lisp/progmodes/grep.el
@@ -753,7 +753,7 @@ This command shares argument histories with \\[lgrep] and \\[grep-find]."
                              " " find-name-arg " "
                              (mapconcat #'shell-quote-argument
                                         (split-string files)
-                                        " -o " find-name-arg " ")
+                                        (concat " -o " find-name-arg " "))
                              " "
                              (shell-quote-argument ")"))
                       dir