bugfix: fixed bugs suspected by cppcheck: shift signed 32-bit value by 31 bits and uninitialized variable. (#76)
bugfix: fixed bugs suspected by cppcheck: shift signed 32-bit value by 31 bits and uninitialized variable. (#76)

[dtoa.c:2453] -> [dtoa.c:2454]: (warning) Shifting signed 32-bit value by 31 bits is undefined behaviour. See condition at line 2453.
[dtoa.c:2846]: (error) Uninitialized variable: bb
[dtoa.c:2847]: (error) Uninitialized variable: bd
[dtoa.c:2848]: (error) Uninitialized variable: bs
[dtoa.c:2850]: (error) Uninitialized variable: delta
openresty/lua-cjson,openresty/lua-cjson,openresty/lua-cjson