linenoise REFACTOR return value ignored

Author: michalvasko

tools/lint/linenoise/linenoise.c

@@ -1563,7 +1563,7 @@ int linenoiseHistorySave(const char *filename) {
     fp = fopen(filename,"w");
     umask(old_umask);
     if (fp == NULL) return -1;
-    chmod(filename,S_IRUSR|S_IWUSR);
+    (void)chmod(filename,S_IRUSR|S_IWUSR);
     for (j = 0; j < history_len; j++)
         fprintf(fp,"%s\n",history[j]);
     fclose(fp);