[gdm] configure: use /usr/bin/X instead of /usr/bin/Xorg by default

[Ray Strode <halfline src gnome org>]

commit 1c1a6974cf3a3a9740f30ce7395543c6b5d45930
Author: Ray Strode <rstrode redhat com>
Date:   Tue Oct 4 11:16:01 2016 -0400

    configure: use /usr/bin/X instead of /usr/bin/Xorg by default
    
    https://bugzilla.gnome.org/show_bug.cgi?id=772319

 configure.ac |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a61be00..99a6540 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1196,7 +1196,11 @@ dnl ---------------------------------------------------------------------------
 # and /usr/X11 since they often symlink to each other, and configure
 # should use the more stable location (the real directory) if possible.
 #
-if test -x /usr/X11/bin/Xserver; then
+if test -x /usr/bin/X; then
+   X_PATH="/usr/bin"
+   X_SERVER_PATH="/usr/bin"
+   X_SERVER="/usr/bin/X"
+elif test -x /usr/X11/bin/Xserver; then
    X_PATH="/usr/X11/bin"
    X_SERVER_PATH="/usr/X11/bin"
    X_SERVER="/usr/X11/bin/Xserver"
@@ -1231,10 +1235,6 @@ elif test -x /opt/X11R6/bin/X; then
    X_PATH="/opt/X11R6/bin"
    X_SERVER_PATH="/opt/X11R6/bin"
    X_SERVER="/opt/X11R6/bin/X"
-elif test -x /usr/bin/X; then
-   X_PATH="/usr/bin"
-   X_SERVER_PATH="/usr/bin"
-   X_SERVER="/usr/bin/X"
 else
    # what to do, what to do, this is wrong, but this just sets the
    # defaults, perhaps this user is cross compiling or some such