(ITS#5815) typo in os-ip.c (MAXHOSTNAMELEN)

[h . b . furuseth]

Full_Name: Hallvard B Furuseth
Version: HEAD, RE24
OS: 
URL: 
Submission from: (NULL) (129.240.6.233)
Submitted by: hallvard


#elif defined( MAXHOSTNAMELEN
should be
#elif defined( MAXHOSTNAMELEN )
Reported in Debian bug 505421.  Fixing.