dix: Squash some new gcc6 warnings

-Wlogical-op now tells us:

    devices.c:1685:23: warning: logical ‘and’ of equal expressions

Reviewed-by: Julien Cristau <jcristau@debian.org>
Signed-off-by: Adam Jackson <ajax@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/xkb/xkbEvents.c b/xkb/xkbEvents.c
index 0dbbd6cbc..0bbd66186 100644
--- a/xkb/xkbEvents.c
+++ b/xkb/xkbEvents.c
@@ -505,7 +505,7 @@ XkbHandleBell(BOOL force,
     if ((!interest) || (force))
         return;
 
-    if ((class == 0) || (class == KbdFeedbackClass)) {
+    if (class == KbdFeedbackClass) {
         KeybdCtrl *pKeyCtrl = (KeybdCtrl *) pCtrl;
 
         id = pKeyCtrl->id;