avoid cli_set_process_title error

Author: hhxsv5

src/Swoole/Process/ProcessTitleTrait.php

@@ -10,9 +10,9 @@ public function setProcessTitle($title)
             return;
         }
         if (function_exists('cli_set_process_title')) {
-            cli_set_process_title($title);
+            @cli_set_process_title($title);
         } elseif (function_exists('swoole_set_process_name')) {
-            swoole_set_process_name($title);
+            @swoole_set_process_name($title);
         }
     }
 }