kdrive: Fix build for opaque InputOption structure.

Commit 05284a03f9 missed fixing up
kdrive's use of the old non-opaque structure.

Signed-off-by: Jamey Sharp <jamey@minilop.net>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Keith Packard <keithp@keithp.com>

hw/kdrive/src/kinfo.c

@@ -134,19 +134,9 @@ KdNewPointer (void)
 void
 KdFreePointer(KdPointerInfo *pi)
 {
-    InputOption *option, *prev = NULL;
-
     free(pi->name);
     free(pi->path);
-
+    input_option_free_list(&pi->options);
-    for (option = pi->options; option; option = option->next) {
-        free(prev);
-        free(option->key);
-        free(option->value);
-        prev = option;
-    }
-
-    free(prev);
     free(pi);
 }