• Add LICENSE_FILE.
• Use qt4-linguisttools instead of qt4-linguist for lrelease-qt4 (build

stage only).

• Remove qt4-xml and qt4-dbus from dependencies (unused); add qt4-corelib.
• Add USES=desktop-file-utils (for qiviewer.desktop)
• Mute post-configure target.
• Bump PORTREVISION (dependency list was changed).

PR: ports/201869
Submitted by: Andriy Voskoboinyk <s3erios@gmail.com>