Removed support for PHP versions older than 7.4

Merge pull request #107 from eduardok/php74

Removed support for PHP versions older than 7.4

Stable release 1.1.2

i386 build related fixes.

Stable release 1.1.1

Workaround libsmbclient regression.

Stable release 1.1.0

PHP 8 ready, thanks to Remi.

Stable release 1.0.7

xattr issue fix from Remi.

Stable release 1.0.6

Support for ftruncate on smb_streams and build on PHP 5.6.

Stable release 1.0.5

Prepare PECL release 1.0.5

Stable release 1.0.4

libsmbclient introduced smbc_setOptionProtocols() on Sep 4, 2018, and at least one distribution still doesn't have it.
If not available, code depending on it is not compiled.

Stable release 1.0.0

Support for PHP 7.3 added, duplicate symbol and Travis setup fixes.

libsmbclient-php 0.9.0

• fix gh#47 Incorrect function definition for smbclient_read
• optimization: enable stream wrapper reusing connections