DIST: Update the debian control file for Debian Stretch

The version number on qtmultimedia5-dev in Debian Stretch contains a
tilde, which sorts before 5.7.1. It still compiles and runs.

Also, we also need the Gui and Widgets modules of Qt, so add these as
dependencies as well.

[ci skip]

dists/debian/control

@@ -2,7 +2,7 @@ Source: phaethon
 Section: misc
 Priority: optional
 Maintainer: Sven Hesse <drmccoy@drmccoy.de>
-Build-Depends: debhelper (>= 9), dh-autoreconf, autotools-dev, autoconf (>= 2.65), gettext, zlib1g-dev (>= 1:1.2.3.4), liblzma-dev (>= 5.0.5), libboost-dev (>= 1.53), libboost-atomic-dev (>= 1.53), libboost-date-time-dev (>= 1.53), libboost-filesystem-dev (>= 1.53), libboost-locale-dev (>= 1.53), libboost-regex-dev (>= 1.53), libboost-system-dev (>= 1.53), libboost-chrono-dev (>= 1.53), libboost-thread-dev (>= 1.53), libopenal-dev (>= 1:1.12), libmad0-dev (>= 0.15.1b), libogg-dev (>= 1.2.0), libvorbis-dev (>= 1.3.1), libfaad-dev (>= 2.7), libxvidcore-dev (>= 2:1.2.2), qtmultimedia5-dev (>= 5.7.1)
+Build-Depends: debhelper (>= 9), dh-autoreconf, autotools-dev, autoconf (>= 2.65), gettext, zlib1g-dev (>= 1:1.2.3.4), liblzma-dev (>= 5.0.5), libboost-dev (>= 1.53), libboost-atomic-dev (>= 1.53), libboost-date-time-dev (>= 1.53), libboost-filesystem-dev (>= 1.53), libboost-locale-dev (>= 1.53), libboost-regex-dev (>= 1.53), libboost-system-dev (>= 1.53), libboost-chrono-dev (>= 1.53), libboost-thread-dev (>= 1.53), libopenal-dev (>= 1:1.12), libmad0-dev (>= 0.15.1b), libogg-dev (>= 1.2.0), libvorbis-dev (>= 1.3.1), libfaad-dev (>= 2.7), libxvidcore-dev (>= 2:1.2.2), qtbase5-dev (>= 5.7.1), libqt5gui5 (>= 5.7.1), libqt5widgets5 (>= 5.7.1), qtmultimedia5-dev (>= 5.7.1~20161021-2)
 Standards-Version: 3.9.6
 Homepage: https://xoreos.org/