Update build dependencies.

debian/changelog

@@ -1,6 +1,7 @@
 lxqt-qtplugin (0.13.0-0ubuntu1) UNRELEASED; urgency=medium
 
   * New upstream release.
+  * Update build dependencies.
 
  -- Simon Quigley <tsimonq2@ubuntu.com>  Wed, 23 May 2018 22:35:05 -0500
 

debian/control

@@ -8,12 +8,12 @@ Section: x11
 Priority: optional
 Build-Depends: debhelper (>= 11),
                libdbusmenu-qt5-dev,
-               libfm-qt-dev (>= 0.12.0),
+               libfm-qt-dev (>= 0.13.0),
                libkf5windowsystem-dev,
                libqt5svg5-dev,
                libqt5x11extras5-dev,
                libx11-dev,
-               lxqt-build-tools (>= 0.4.0),
+               lxqt-build-tools (>= 0.5.0),
                qtbase5-private-dev
 Standards-Version: 4.1.3
 Vcs-Browser: https://salsa.debian.org/lxqt-team/lxqt-qtplugin