[mutter] connector/kms: Add missing else statement

[Marge Bot <marge-bot src gnome org>]

commit 2c0bd98f2131e9d99cfa914b72e59e1e86674abf
Author: Dor Askayo <dor askayo gmail com>
Date:   Fri Feb 5 19:53:30 2021 +0200

    connector/kms: Add missing else statement
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1715>

 src/backends/native/meta-kms-connector.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/backends/native/meta-kms-connector.c b/src/backends/native/meta-kms-connector.c
index 86792d9383..1ea4502845 100644
--- a/src/backends/native/meta-kms-connector.c
+++ b/src/backends/native/meta-kms-connector.c
@@ -188,8 +188,8 @@ state_set_properties (MetaKmsConnectorState *state,
       else if ((prop->flags & DRM_MODE_PROP_ENUM) &&
                strcmp (prop->name, "panel orientation") == 0)
         set_panel_orientation (state, prop, drm_connector->prop_values[i]);
-      if ((prop->flags & DRM_MODE_PROP_RANGE) &&
-          strcmp (prop->name, "non-desktop") == 0)
+      else if ((prop->flags & DRM_MODE_PROP_RANGE) &&
+               strcmp (prop->name, "non-desktop") == 0)
         state->non_desktop = drm_connector->prop_values[i];
 
       drmModeFreeProperty (prop);