_XOPEN_SOURCE_EXTENDED isn't required, now that we need _XOPEN_SOURCE=700
_XOPEN_SOURCE_EXTENDED isn't required, now that we need _XOPEN_SOURCE=700


git-svn-id: dd14d189f2554b0b3f4c2209a95c13d2029e3fe8@1183 96dfbd92-d197-e211-9ca9-00110a534b34

RyuKojiro/v6502