InputCommon/CMakeLists: Link evdev and udev in privately

These libraries aren't directly used outside of InputCommon

Source/Core/InputCommon/CMakeLists.txt

@@ -74,7 +74,8 @@ else()
 endif()
 
 if(LIBEVDEV_FOUND AND LIBUDEV_FOUND)
-  target_sources(inputcommon PRIVATE
+  target_sources(inputcommon
+  PRIVATE
     ControllerInterface/evdev/evdev.cpp
   )
   target_include_directories(inputcommon
@@ -82,7 +83,8 @@ if(LIBEVDEV_FOUND AND LIBUDEV_FOUND)
     ${LIBEVDEV_INCLUDE_DIR}
     ${LIBUDEV_INCLUDE_DIR}
   )
-  target_link_libraries(inputcommon PUBLIC
+  target_link_libraries(inputcommon
+  PRIVATE
     ${LIBEVDEV_LIBRARY}
     ${LIBUDEV_LIBRARY}
   )