[kde-base/breeze] Add new dependencies after upstream changes

Package-Manager: portage-2.2.12

* Introduced by inclusion of the kstyle directory: http://quickgit.kde.org/?p=breeze.git&a=commitdiff&h=e64c3906f5c8e0556a4f206865749e3f64b65b50&hp=e3d52f513dac0fea228593087c03b775351d03c5
* Relevent dependencies there: http://quickgit.kde.org/?p=breeze.git&a=blob&h=58a93e7374c121f7e62ec1d10acdcb677c8496bb&hb=e64c3906f5c8e0556a4f206865749e3f64b65b50&f=kstyle%2FCMakeLists.txt#l51