xl: ignore opengl unless sdl is enabled

The "opengl" setting is documented as having no effect unless "sdl" is
set.  Make sure this is honoured.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index da364e61d1dad76091e0db2d267b6a6036a32877..13fbe3684a78f2861478fe9c9bad5a5110539766 100644 (file)
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -818,7 +818,7 @@ static char ** libxl_build_device_model_args(struct libxl_ctx *ctx,
             flexarray_set(dm_args, num++, "-vncunused");
         }
     }
-    if (info->sdl || info->opengl) {
+    if (info->sdl) {
         flexarray_set(dm_args, num++, "-sdl");
         if (info->opengl) {
             flexarray_set(dm_args, num++, "-disable-opengl");