Fix #1513 use zend_symtable_update instead of  zend_hash_update
Update file.c
typo
Merge pull request #1517 from dreamsxin/1513

Fix #1513 Use zend_symtable_update instead of  zend_hash_update
Merge pull request #1521 from xboston/patch-2

Update file.c
Merge pull request #1523 from tmihalik/1.3.0

typo