CoreRecording.cpp is not configured through the build system,
so just give it a dummy symbol when it's not compiled in.
ChunkFile.cpp and DSPBreakpoints.cpp are no longer used.
ExtendedTrace.cpp is Windows-only.
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5587 8ced0084-cf51-0410-be5f-012b33b47a6e