Avoid build failure, Apple's g++-4.0.1, Mac OS 10.4. 2010-04-02 Aidan Kehoe <kehoea@parhasard.net> Avoid build failure, Apple's g++-4.0.1, Mac OS 10.4. * sysdll.c (search_linked_libs, dll_variable): Correct some casts for the C++ build. * regex.h (END_C_DECLS, BEGIN_C_DECLS): Wrap function declarations in extern "C" { ... } on the C++ build. * mule-ccl.c (ccl_driver): Initialise i, silencing a warning on a C++ build. * keymap.c (key_desc_list_to_event): Work around a bug in Apple's g++-4.0.1.