Qfix startup errors

[SH]

Use of uninitialized value in numeric ne (!=) at /var/qmail/bin/qfixq line 192.
Use of uninitialized value in numeric ne (!=) at /var/qmail/bin/qfixq line 194.
Use of uninitialized value in printf at /var/qmail/bin/qfixq line 196.
Use of uninitialized value in numeric ne (!=) at /var/qmail/bin/qfixq line 200.
Use of uninitialized value in printf at /var/qmail/bin/qfixq line 202.
Use of uninitialized value $s[2] in bitwise and (&) at /var/qmail/bin/qfixq line 209.
Use of uninitialized value $s[2] in bitwise and (&) at /var/qmail/bin/qfixq line 211.

[SH]

fix #157

→ <<cset 1b89b49ee7aa>>