Fix a couple of issues with NAVLIB version checker

Need to include core lib in kiplatform for the version functions.  Need
to link kiplatform into the navlib library in eeschema to load

eeschema/navlib/CMakeLists.txt

@@ -20,6 +20,7 @@ target_include_directories(eeschema_navlib PRIVATE
     $<TARGET_PROPERTY:eeschema_kiface_objects,INCLUDE_DIRECTORIES>
 )
 target_link_libraries(eeschema_navlib
+    kiplatform # Needs kiplatform to check versioning
     $<TARGET_PROPERTY:3DxWare::Navlib,INTERFACE_LINK_LIBRARIES>
     3DxWare::Navlib
 )

libs/kiplatform/CMakeLists.txt

@@ -86,6 +86,7 @@ target_include_directories( kiplatform PUBLIC
     )
 
 target_link_libraries( kiplatform
+    core
     ${wxWidgets_LIBRARIES}
     ${PLATFORM_LIBS}
     )