Update equalizer_preset.c coding style.
Update equalizer_preset.c to C99 practices.
Fix lookups off the end of uri_legal_table array.
Add equalizer_preset_new/free() and move export_winamp_preset() from skins.
Make use of G_REGEX_CASELESS.
Eliminate some more untracked string allocations.
Use GLib allocators since we don't check for null return values.
Add GCC-style annotation for str_printf().
Allow arbitrarily long lines in INI parser.