Fix get MAXIMUM_PACKET_SIZE byte error (#106) #795

Job	Run time
PHP8.0 Swoole-v4.8.13 Test on Linux	1m 34s
PHP8.0 Swoole-v5.1.5 Test on Linux	1m 35s
PHP8.1 Swoole-v4.8.13 Test on Linux	1m 33s
PHP8.1 Swoole-v5.1.5 Test on Linux	1m 49s
PHP8.1 Swoole-master Test on Linux	1m 42s
PHP8.2 Swoole-v4.8.13 Test on Linux	1m 31s
PHP8.0 Swoole-v4.8.13 Test on macOS	2m 47s
PHP8.0 Swoole-v5.1.5 Test on macOS	2m 48s
PHP8.2 Swoole-v5.1.5 Test on Linux	1m 36s
PHP8.2 Swoole-master Test on Linux	1m 40s
PHP8.1 Swoole-v4.8.13 Test on macOS	3m 10s
PHP8.3 Swoole-v5.1.5 Test on Linux	1m 42s
PHP8.1 Swoole-v5.1.5 Test on macOS	2m 43s
PHP8.1 Swoole-master Test on macOS	2m 46s
PHP8.3 Swoole-master Test on Linux	1m 41s
PHP8.2 Swoole-v4.8.13 Test on macOS	2m 33s
PHP8.2 Swoole-v5.1.5 Test on macOS	3m 6s
PHP8.2 Swoole-master Test on macOS	2m 42s
PHP8.3 Swoole-v5.1.5 Test on macOS	2m 38s
PHP8.3 Swoole-master Test on macOS	2m 57s
	44m 33s

Provide feedback