regex: no 'static inline' * lib/regex_internal.c (calc_state_hash): * lib/regex_internal.h (bitset_set, bitset_clear, bitset_contain) (bitset_empty, bitset_set_all, bitset_copy, bitset_not, bitset_merge) (bitset_mask, re_string_char_size_at, re_string_wchar_at): Now static, not static inline. (inline) [__GNUC__ < 3 && _LIBC]: Remove macro; no longer needed.