From: Eli Zaretskii <eliz@gnu.org>
Date: Mon, 19 Nov 2018 19:47:40 +0000 (+0200)
Subject: Avoid compiler warning in emacsclient.c
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Avoid compiler warning in emacsclient.c

* lib-src/emacsclient.c (socket_name): Define only if
NO_SOCKETS_IN_FILE_SYSTEM is not defined, to avoid a compiler
warning.
---

diff --git a/lib-src/emacsclient.c b/lib-src/emacsclient.c
index 808755ef604..187d2d7b5be 100644
--- a/lib-src/emacsclient.c
+++ b/lib-src/emacsclient.c
@@ -132,8 +132,10 @@ static bool tty;
    is not running.  --alternate-editor.   */
 static char *alternate_editor;
 
+#ifndef NO_SOCKETS_IN_FILE_SYSTEM
 /* If non-NULL, the filename of the UNIX socket.  */
 static char const *socket_name;
+#endif
 
 /* If non-NULL, the filename of the authentication file.  */
 static char const *server_file;