THRIFT-4154: properly close socket whether it is persistent or not on close()
Client: php

This closes #1011
This closes #1233
diff --git a/lib/php/lib/Thrift/Transport/TSocket.php b/lib/php/lib/Thrift/Transport/TSocket.php
index 10d5115..1495047 100644
--- a/lib/php/lib/Thrift/Transport/TSocket.php
+++ b/lib/php/lib/Thrift/Transport/TSocket.php
@@ -248,10 +248,8 @@
    */
   public function close()
   {
-    if (!$this->persist_) {
-      @fclose($this->handle_);
-      $this->handle_ = null;
-    }
+    @fclose($this->handle_);
+    $this->handle_ = null;
   }
 
   /**