- debug_warn_err now takes LibError
- lib_error.cpp: revise error code -> string (only support liberror
now); add function to set errno from LibError
- unifont, CFont: parameter made a simple wchar_t from const wchar_t&
- mmap now sets errno
- Loader and VfsUtil function now return LibError as well
- Profile.cpp, ProfileViewer.cpp: fix int/uint/size_t warnings
- Renderer.cpp: fix cannot-generate-assignment-operator warning
This was SVN commit r3235.