[mutter] build-sys: allow explicitely disabling remote-desktop and egl-device

[Marc-Antoine Perennou <marcop src gnome org>]

commit 19eddfd75632ed48fd3d895a95e74f5357a2638f
Author: Marc-Antoine Perennou <Marc-Antoine Perennou com>
Date:   Mon Nov 6 10:54:59 2017 +0100

    build-sys: allow explicitely disabling remote-desktop and egl-device
    
    https://bugzilla.gnome.org/show_bug.cgi?id=789958
    
    Signed-off-by: Marc-Antoine Perennou <Marc-Antoine Perennou com>

 configure.ac |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 909a864..d8fe6d6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -240,8 +240,7 @@ else
 fi
 
 AC_ARG_ENABLE(remote-desktop,
-  AS_HELP_STRING([--enable-remote-desktop], [enable support for remote desktop and screen cast]),
-  enable_remote_desktop=yes,
+  AS_HELP_STRING([--enable-remote-desktop], [enable support for remote desktop and screen cast]),,
   enable_remote_desktop=no
 )
 AS_IF([test "$enable_remote_desktop" = "yes"], [
@@ -283,8 +282,7 @@ AS_IF([test "$have_native_backend" = "yes"], [
 AM_CONDITIONAL([HAVE_NATIVE_BACKEND],[test "$have_native_backend" = "yes"])
 
 AC_ARG_ENABLE(egl-device,
-  AS_HELP_STRING([--enable-egl-device], [enable support for EGLDevice on top of KMS]),
-  enable_egl_device=yes,
+  AS_HELP_STRING([--enable-egl-device], [enable support for EGLDevice on top of KMS]),,
   enable_egl_device=no
 )
 AS_IF([test "$enable_egl_device" = "yes"], [