cppcheck on bird-1.6.3

[Илья Шипицин]

Hello,

I wonder about those issues:

[sysdep/unix/krt.c:1189]: (error) Memory is allocated but not initialized: n
[sysdep/unix/krt.c:1190]: (error) Memory is allocated but not initialized: n

Cheers,
Ilya Shipitsin