Update LXQt build depends.

debian/changelog

@@ -7,6 +7,7 @@ screengrab (2.0.1-0ubuntu1) UNRELEASED; urgency=medium
   [ Simon Quigley ]
   * New upstream release.
     - Update upstream signing key.
+    - Update LXQt build depends.
 
  -- apt-ghetto <apt-ghetto@lubuntu.me>  Tue, 24 Dec 2019 14:08:20 +0100
 

debian/control

@@ -10,8 +10,8 @@ Build-Depends: debhelper-compat (= 12),
                libkf5windowsystem-dev,
                libqt5svg5-dev,
                libqt5x11extras5-dev,
-               libqt5xdg-dev (>= 3.4.0~),
+               libqt5xdg-dev (>= 3.5.0),
-               libqt5xdgiconloader-dev (>= 3.4.0~) ,
+               libqt5xdgiconloader-dev (>= 3.5.0),
                libx11-dev,
                libx11-xcb-dev,
                libxcb1-dev,