char cmd[1024];
FILE *fp;
+ free (g->qemu_help);
+ g->qemu_help = NULL;
+ free (g->qemu_version);
+ g->qemu_version = NULL;
+
snprintf (cmd, sizeof cmd, "LC_ALL=C '%s' -nographic -help", g->qemu);
/* qemu -help should always work (qemu -version OTOH wasn't