libxl: Disable opengl if info->opengl == 0 (correct sense of test)

Disable opengl if info->opengl == 0

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index 6eb17e82d9..099d82e7e9 100644
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -1129,7 +1129,7 @@ static char ** libxl_build_device_model_args_old(libxl_gc *gc,
     }
     if (info->sdl) {
         flexarray_set(dm_args, num++, "-sdl");
-        if (info->opengl) {
+        if (!info->opengl) {
             flexarray_set(dm_args, num++, "-disable-opengl");
         }
     }