Create gui/library/imscp-lib.php symlink to gui/include/imscp-lib.php…

Quote from i-MSCP Github (1.5.3)

Code

1. Create gui/library/imscp-lib.php symlink to gui/include/imscp-lib.php for backward compatibility with plugins

Source: https://github.com/i-MSCP/imsc…cfe0ebec6c16880717fa806db