fix error in ctype when \0 get not null flags
fix error in ctype when \0 get not null flags

vivkin/gason,ChrisJefferson/gason,vivkin/gason,ChrisJefferson/gason,duckie/gason,tvanderbruggen/gason,duckie/gason,ChrisJefferson/gason,tvanderbruggen/gason,bagobor/gason,bagobor/gason