Improve compatibility with new CMake macro

Signed-off-by: Igor Raits <ignatenkobrain@fedoraproject.org>

kuserfeedback.spec

@@ -1,3 +1,4 @@
+%undefine __cmake_in_source_build
 Name:    kuserfeedback
 Summary: Framework for collecting user feedback for apps via telemetry and surveys
 Version: 1.0.0
@@ -57,15 +58,12 @@ mkdir %{_target_platform}
 
 
 %build
-pushd %{_target_platform}
+%{cmake_kf5} -DENABLE_DOCS:BOOL=OFF
-%{cmake_kf5} -DENABLE_DOCS:BOOL=OFF ..
+%cmake_build
-popd
-
-%make_build -C %{_target_platform}
 
 
 %install
-make install/fast  DESTDIR=%{buildroot} -C %{_target_platform}
+%cmake_install
 %{find_lang} userfeedbackconsole5 --with-qt
 %{find_lang} userfeedbackprovider5 --with-qt