mieqEnqueue: Make local queue tail variables unsigned.

So the modulo arithmetic actually works as intended... thanks to Peter Hutterer
for pointing out the problem.

1 files changed, 1 insertions, 1 deletions

diff --git a/mi/mieq.c b/mi/mieq.c
index f64e5404d..20c4b6201 100644
--- a/mi/mieq.c
+++ b/mi/mieq.c
@@ -105,7 +105,7 @@ mieqInit(void)
 void
 mieqEnqueue(DeviceIntPtr pDev, xEvent *e)
 {
-    HWEventQueueType       oldtail = miEventQueue.tail, newtail;
+    unsigned int           oldtail = miEventQueue.tail, newtail;
     int                    isMotion = 0;
     deviceValuator         *v = (deviceValuator *) e;
     EventPtr               laste = &miEventQueue.events[(oldtail - 1) %