[at-spi2-core] Don't crash when trying to set an invalid state

[Mike Gorse <mgorse src gnome org>]

commit b3164deed659a56d3fff1ecce6cca74aef1159a0
Author: Samuel Thibault <samuel thibault ens-lyon org>
Date:   Sat Nov 14 09:06:45 2015 -0600

    Don't crash when trying to set an invalid state
    
    https://bugzilla.gnome.org/show_bug.cgi?id=757915

 atspi/atspi-stateset.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/atspi/atspi-stateset.c b/atspi/atspi-stateset.c
index 1f9d993..366c48b 100644
--- a/atspi/atspi-stateset.c
+++ b/atspi/atspi-stateset.c
@@ -102,11 +102,11 @@ atspi_state_set_set_by_name (AtspiStateSet *set, const gchar *name, gboolean ena
   {
     g_warning ("AT-SPI: Attempt to set unknown state '%s'", name);
   }
-
-  if (enabled)
-    set->states |= ((gint64)1 << value->value);
   else
-    set->states &= ~((gint64)1 << value->value);
+    if (enabled)
+      set->states |= ((gint64)1 << value->value);
+    else
+      set->states &= ~((gint64)1 << value->value);
 
   g_type_class_unref (type_class);
 }