Update build depends.

debian/changelog

@@ -3,6 +3,7 @@ lxqt-build-tools (0.5.0-0ubuntu1) UNRELEASED; urgency=medium
   * New upstream release.
   * Update Vcs-* and Maintainer to Lubuntu values.
   * Update copyright.
+  * Update build depends.
 
  -- Simon Quigley <tsimonq2@ubuntu.com>  Mon, 21 May 2018 21:34:14 -0500
 

debian/control

@@ -5,7 +5,7 @@ Uploaders: Alf Gaida <agaida@siduction.org>,
            ChangZhuo Chen (陳昌倬) <czchen@debian.org>
 Section: devel
 Priority: optional
-Build-Depends: debhelper (>= 11~),
+Build-Depends: debhelper (>= 11),
                cmake,
                libglib2.0-dev,
                pkg-config,