lxqt-panel: fix build with Qt5.8

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>

recipes-lxqt/lxqt-panel/files/0002-plugin-kbindicator-Undef-the-explicit-workaround.patch

@@ -0,0 +1,37 @@
+From ec62109e0fa678875a9b10fc6f1975267432712d Mon Sep 17 00:00:00 2001
+From: Palo Kisa <palo.kisa@gmail.com>
+Date: Mon, 30 Jan 2017 12:21:10 +0100
+Subject: [PATCH] plugin-kbindicator: Undef the "explicit" workaround
+
+..after include and add explanation of the workaround.
+
+closes lxde/lxqt#1251
+
+Upstream-Status: Backport
+---
+ plugin-kbindicator/src/x11/kbdlayout.cpp | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/plugin-kbindicator/src/x11/kbdlayout.cpp b/plugin-kbindicator/src/x11/kbdlayout.cpp
+index c4aa4e2..883df07 100644
+--- a/plugin-kbindicator/src/x11/kbdlayout.cpp
++++ b/plugin-kbindicator/src/x11/kbdlayout.cpp
+@@ -33,8 +33,15 @@
+ 
+ #include <xkbcommon/xkbcommon-x11.h>
+ #include <xcb/xcb.h>
++
++// Note: We need to override "explicit" as this is a C++ keyword. But it is
++// used as variable name in xkb.h. This is causing a failure in C++ compile
++// time.
++// Similar bug here: https://bugs.freedesktop.org/show_bug.cgi?id=74080
+ #define explicit _explicit
+ #include <xcb/xkb.h>
++#undef explicit
++
+ #include "../kbdinfo.h"
+ #include "../controls.h"
+ 
+-- 
+2.9.3
+

recipes-lxqt/lxqt-panel/lxqt-panel_git.bb

@@ -15,7 +15,10 @@ DEPENDS += " \
     kwindowsystem \
 "
 
-SRC_URI += "file://0001-add-Qt5-X11Extras-to-QTX_LIBRARIES.patch"
+SRC_URI += " \
+    file://0001-add-Qt5-X11Extras-to-QTX_LIBRARIES.patch \
+    file://0002-plugin-kbindicator-Undef-the-explicit-workaround.patch \
+"
 SRCREV = "85b532485d97a9d4ffa477218911b46f1c0998cd"
 PV = "0.11.1"