Xephyr: fix tiny memleak in KdParseKeyboard().

ki->name has already initialized in KdNewKeyboard() with strdup().
But initialized in KdParseKeyboard() again.

Signed-off-by: Tamura Dai <kirinode0@gmail.com>

hw/kdrive/src/kinput.c

@@ -940,6 +940,8 @@ KdParseKeyboard(const char *arg)
     if (!ki)
         return NULL;
 
+    if (ki->name)
+        free(ki->name);
     ki->name = strdup("Unknown KDrive Keyboard");
     ki->path = NULL;
     ki->driver = NULL;