Eliminate a warning about an unused variable.
@@ -1877,7 +1877,9 @@ static int nsh_parse_cmdparm(FAR struct nsh_vtbl_s *vtbl, FAR char *cmdline,
FAR char *argv[MAX_ARGV_ENTRIES];
FAR char *saveptr;
FAR char *cmd;
+#ifndef CONFIG_NSH_DISABLEBG
bool bgsave;
+#endif
bool redirsave;
int argc;
int ret;
