fix build when bundling synaptics header

plasma-desktop-5.18.4.1-synaptics_includes.patch

@@ -0,0 +1,12 @@
+diff -up plasma-desktop-5.18.4.1/kcms/touchpad/src/backends/x11/xlibbackend.cpp.syn plasma-desktop-5.18.4.1/kcms/touchpad/src/backends/x11/xlibbackend.cpp
+--- plasma-desktop-5.18.4.1/kcms/touchpad/src/backends/x11/xlibbackend.cpp.syn	2020-03-31 09:24:01.000000000 -0500
++++ plasma-desktop-5.18.4.1/kcms/touchpad/src/backends/x11/xlibbackend.cpp	2020-05-03 13:20:06.830569831 -0500
+@@ -42,7 +42,7 @@
+ #include <X11/extensions/XInput.h>
+ #include <X11/extensions/XInput2.h>
+ 
+-#include <synaptics-properties.h>
++#include <xorg/synaptics-properties.h>
+ #include <xserver-properties.h>
+ 
+ struct DeviceListDeleter

plasma-desktop.spec

@@ -37,6 +37,7 @@ Patch100: plasma-desktop-5.8-default_favorites.patch
 Patch200: https://gitweb.gentoo.org/proj/kde.git/plain/kde-plasma/plasma-desktop/files/plasma-desktop-5.18.4.1-override-include-dirs.patch
 # use this bundled copy (from f31) if not provided already
 Source200: synaptics-properties.h
+Patch201: plasma-desktop-5.18.4.1-synaptics_includes.patch
 
 # filter qmk/plugins provides
 %global __provides_exclude_from ^(%{_kf5_qmldir}/.*\\.so|%{_kf5_qtplugindir}/.*\\.so)$
@@ -195,6 +196,7 @@ BuildArch: noarch
 %if ! 0%{?synaptics}
 install -pD %{SOURCE200} 3rdparty/xorg/synaptics-properties.h
 %endif
+%patch201 -p1 -b .synaptics_includes
 
 ## downstream patches
 %patch100 -p1
@@ -218,7 +220,7 @@ sed -i.breeze_ver \
 mkdir %{_target_platform}
 pushd %{_target_platform}
 %{cmake_kf5} .. \
-  %{?!synaptics:-DSynaptics_INCLUDE_DIRS:PATH="$(pwd)/3rdparty"}
+  %{?!synaptics:-DSynaptics_INCLUDE_DIRS:PATH="$(pwd)/../3rdparty"}
 popd
 
 %make_build -C %{_target_platform}