Update symbols from amd64 build logs.

debian/changelog

@@ -4,6 +4,7 @@ liblxqt (0.15.0-0ubuntu1) UNRELEASED; urgency=medium
     - Remove upstream patches fixing Mac OS X and Hurd builds.
     - Update upstream signing key.
     - Bump LXQt build dependencies.
+    - Update symbols from amd64 build logs.
   * Run wrap-and-sort.
   * Add libkf5windowsystem-dev to build dependencies.
   * Full copyright update.

debian/liblxqt0.symbols

@@ -266,6 +266,9 @@ liblxqt.so.0 liblxqt0 #MINVER#
  (c++)"LXQt::VirtualBackEnd::qt_metacast(char const*)@Base" 0.13.0
  (c++)"LXQt::VirtualBackEnd::setBacklight(int)@Base" 0.13.0
  (c++)"LXQt::VirtualBackEnd::staticMetaObject@Base" 0.13.0
+ (c++)"LXQt::Notification::queryServerInfo()@Base" 0.15.0
+ (c++)"LXQt::Notification::serverInfoReady()@Base" 0.15.0
+ (c++)"LXQt::PageSelectWidget::sizeHint() const@Base" 0.15.0
  (c++)"non-virtual thunk to LXQt::ConfigDialog::~ConfigDialog()@Base" 0.9.0+20150911
  (c++)"non-virtual thunk to LXQt::GridLayout::invalidate()@Base" 0.9.0+20150911
  (c++)"non-virtual thunk to LXQt::GridLayout::setGeometry(QRect const&)@Base" 0.9.0+20150911