Fix unused variable warning in xfns.c

* src/xfns.c (Fx_server_input_version): Fix unused variable
warning.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/xfns.c b/src/xfns.c
index f911f9898a5..126e837b43c 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -4516,9 +4516,9 @@ major and minor versions of the X Input Extension extension running on
 that server.  */)
   (Lisp_Object terminal)
 {
+#ifdef HAVE_XINPUT2
   struct x_display_info *dpyinfo = check_x_display_info (terminal);
 
-#ifdef HAVE_XINPUT2
   return (dpyinfo->supports_xi2
           ? list2i (2, dpyinfo->xi2_version)
           : Qnil);