OSX/CI: kauth fails to build

[Marko Käning]

I’ve resurrected an older qt5 install.

Now I realise that kauth is currently failing to build on OSX:

---

[ 38%] [ 40%] Building CXX object autotests/CMakeFiles/kauth_tests_static.dir/__/src/kauthaction.cpp.o
In file included from /Users/marko/WC/KDECI-builds/kauth/src/kauthexecutejob.cpp:20:
/Users/marko/WC/KDECI-builds/kauth/src/kauthexecutejob.h:23:10: fatal error: 'kjob.h' file not found
#include <kjob.h>
         ^
Linking CXX executable kauth-policy-gen.app/Contents/MacOS/kauth-policy-gen
Building CXX object src/CMakeFiles/KF5Auth.dir/kauthobjectdecorator.cpp.o
[ 40%] Linking CXX shared module kauth_backend_plugin.so
Built target kauth-policy-gen
[ 42%] Building CXX object autotests/CMakeFiles/kauth_tests_static.dir/__/src/kauthactionreply.cpp.o
[ 42%] Built target kauth_backend_plugin
[ 44%] Building CXX object src/CMakeFiles/KF5Auth.dir/AuthBackend.cpp.o
In file included from /Users/marko/WC/KDECI-builds/kauth/src/kauthaction.cpp:27:
/Users/marko/WC/KDECI-builds/kauth/src/kauthexecutejob.h:23:10: fatal error: 'kjob.h' file not found
#include <kjob.h>
         ^
1 error generated.
make[2]: *** [src/CMakeFiles/KF5Auth.dir/kauthaction.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....