tree-wide: Small fixes for various clang-tidy warnings

src/sysupdate/sysupdate.c

@@ -589,7 +589,7 @@ static int context_show_version(Context *c, const char *version) {
                 return log_error_errno(SYNTHETIC_ERRNO(ENOENT), "Update '%s' not found.", version);
 
         if (arg_json_format_flags & (SD_JSON_FORMAT_OFF|SD_JSON_FORMAT_PRETTY|SD_JSON_FORMAT_PRETTY_AUTO))
-                (void) pager_open(arg_pager_flags);
+                pager_open(arg_pager_flags);
 
         if (!sd_json_format_enabled(arg_json_format_flags))
                 printf("%s%s%s Version: %s\n"

src/sysupdate/sysupdated.c

@@ -815,7 +815,7 @@ static int sysupdate_run_simple(sd_json_variant **ret, Target *t, ...) {
                 if (DEBUG_LOGGING) {
                         _cleanup_free_ char *s = NULL;
 
-                        s = quote_command_line((char**) args, SHELL_ESCAPE_EMPTY);
+                        s = quote_command_line(args, SHELL_ESCAPE_EMPTY);
                         if (!s) {
                                 log_oom();
                                 _exit(EXIT_FAILURE);