make it also compilable with -std=c99 by not redefining extra_semicolon_, by appending N to it
make it also compilable with -std=c99 by not redefining extra_semicolon_, by appending N to it

ignatenkobrain/gmqcc,111WARLOCK111/gmqcc,111WARLOCK111/gmqcc,ignatenkobrain/gmqcc