sqlite-vec.c is missing "#include <sys/types.h>"

sqlite-vec.c:68:9: error: unknown type name 'u_int8_t'
   68 | typedef u_int8_t uint8_t;
      |         ^
sqlite-vec.c:69:9: error: unknown type name 'u_int16_t'
   69 | typedef u_int16_t uint16_t;
      |         ^
sqlite-vec.c:70:9: error: unknown type name 'u_int64_t'
   70 | typedef u_int64_t uint64_t;
      |         ^
3 errors generated.