Bump debhelper compat to 12, no changes needed.

debian/changelog

@@ -2,6 +2,7 @@ pcmanfm-qt (0.14.0-0ubuntu1) UNRELEASED; urgency=medium
 
   * New upstream release.
   * Bump Standards-version to 4.3.0, no changes needed.
+  * Bump debhelper compat to 12, no changes needed.
 
  -- Simon Quigley <tsimonq2@ubuntu.com>  Sat, 26 Jan 2019 00:55:44 -0600
 

debian/compat

@@ -1 +1 @@
-11
+12

debian/control

@@ -8,7 +8,7 @@ Uploaders: Alf Gaida <agaida@siduction.org>,
            Yuan CHAO <yuanchao@gmail.com>
 Section: x11
 Priority: optional
-Build-Depends: debhelper (>= 11),
+Build-Depends: debhelper (>= 12),
                libexif-dev,
                libfm-qt-dev (>= 0.13.1~),
                libkf5windowsystem-dev,