Fixed constants in Zend/zend_multiply.h

Conflicts:
	Zend/zend_multiply.h
Use 'const' qualifier for pointrs to code used at run-time (the code must not be changed)
Merged PR 785 - Fixed ZEND_INT_(MIN/MAX) constants in signed multiplication

ZEND_INT_MIN and ZEND_INT_MAX should be ZEND_LONG_MIN and ZEND_LONG_MAX respectively.
Fixed incompatible pointer type
Fixed iconv MINFO
closesocket is already defined in main/php_network.h
closesocket is defined in php_network.h
Fixed type
fix hash_pbkdf2()
LOAD_REGS() is not used anymore
Revert "Fixed incompatible pointer type"

This reverts commit 007406c775b527a334a0964a624810afeb599ed5.
Merge branch 'master' of https://git.php.net/repository/php-src
Fixed zend extensions multipy-times loadable
Fixed segfaults after change size_t of "s"
Changed 'unsigned size_t' to 'size_t'
fix pg_last_notice()
Fixed zbacktrace
Merge branch 'master' of https://git.php.net/repository/php-src
Fixed typo
Merge branch 'master' of git.php.net:php-src

* 'master' of git.php.net:php-src:
  fix pg_last_notice()
  Changed 'unsigned size_t' to 'size_t'
  Fixed segfaults after change size_t of "s"
  Fixed zend extensions multipy-times loadable
  Revert "Fixed incompatible pointer type"
  fix hash_pbkdf2()