Close already opened process while prompting

Author: schlessera

src/WP_CLI/REPL.php

@@ -6,6 +6,8 @@ class REPL {
 
 	private $prompt;
 
+	private $history_file;
+
 	public function __construct( $prompt ) {
 		$this->prompt = $prompt;
 
@@ -65,6 +67,8 @@ private function prompt() {
 
 			$line = fgets( $fp );
 
+			pclose( $fp );
+
 			if ( !$line ) {
 				break;
 			}