OSX/CI: kdevplatform fails to build on branch master

[Marko Käning]

CMake Error at sublime/CMakeLists.txt:38 (install):
  install TARGETS given no LIBRARY DESTINATION for shared library target
  "KDevPlatformSublime".


CMake Error at interfaces/CMakeLists.txt:65 (install):
  install TARGETS given no LIBRARY DESTINATION for shared library target
  "KDevPlatformInterfaces".


CMake Error at project/CMakeLists.txt:42 (install):
  install TARGETS given no LIBRARY DESTINATION for shared library target
  "KDevPlatformProject".


CMake Error at language/CMakeLists.txt:180 (install):
  install TARGETS given no LIBRARY DESTINATION for shared library target
  "KDevPlatformLanguage".


CMake Error at shell/CMakeLists.txt:165 (install):
  install TARGETS given no LIBRARY DESTINATION for shared library target
  "KDevPlatformShell".