Use bool instead of int in session struct

Author: Girgias

ext/session/php_session.h

@@ -186,8 +186,8 @@ typedef struct _php_ps_globals {
 
 	zend_long sid_length;
 	zend_long sid_bits_per_character;
-	int send_cookie;
-	int define_sid;
+	bool send_cookie;
+	bool define_sid;
 
 	php_session_rfc1867_progress *rfc1867_progress;
 	bool rfc1867_enabled; /* session.upload_progress.enabled */