Fix Arginfo / zpp mismatch

[arshidkv12]

Fixed the following error

Fatal error: Arginfo / zpp mismatch during call of uv_stdio_new() in /Users/arshid/Desktop/ext-uv/test.php on line 2
Stack trace:
#0 /Users/arshid/Desktop/ext-uv/test.php(2): uv_stdio_new('foo', 5)
#1 {main}