send-key: fix scan keycode map

Now, bad key-code in send-key can cause segmentation fault in libvirt.
(example)
 % virsh send-key --codeset win32 12
   error: End of file while reading data: Input/output error

This is caused by overrun at scanning keycode array.

Fix it.
Signed-off-by: NKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

src/util/virkeycode.c

@@ -118,7 +118,7 @@ static int __virKeycodeValueTranslate(unsigned int from_offset,
 {
     int i;
 
-    for (i = 0; ARRAY_CARDINALITY(virKeycodes); i++) {
+    for (i = 0; i < ARRAY_CARDINALITY(virKeycodes); i++) {
         if (getfield(virKeycodes + i, unsigned short, from_offset) == key_value)
             return getfield(virKeycodes + i, unsigned short, to_offset);
     }