Bump build dependencies.

debian/changelog

@@ -2,6 +2,7 @@ libfm-qt (0.14.0-0ubuntu1) UNRELEASED; urgency=medium
 
   * New upstream release.
     - Remove reverse-applicable patches.
+    - Bump build dependencies.
   * Bump Standards-version to 4.3.0, no changes needed.
   * Bump debhelper compat to 12, no changes needed.
 

debian/control

@@ -12,7 +12,7 @@ Build-Depends: debhelper (>= 12),
                libqt5svg5-dev,
                libqt5x11extras5-dev,
                libx11-dev,
-               lxqt-build-tools (>= 0.5.0~),
+               lxqt-build-tools (>= 0.6.0),
                qtbase5-private-dev
 Standards-Version: 4.3.0
 Vcs-Browser: https://phab.lubuntu.me/source/libfm-qt/