ospfd: more explicit error message

Newer version after a comment by claudio@. Currently ospfd logs routing message type code instead of name. Make it more explicit. remi@ is OK but wonders if rtm_type_name() will be updated as needed. What do you think ? Denis Index: kroute.c

ospfd: more explicit error message

Currently ospfd logs routing message type code instead of name. Make it more explicit. remi@ is OK but wonders if rtm_type_name() will be updated as needed (that's why I also log the typecode) What do you think ? Denis Index: kroute.c