updates for GCC 6:

- frentry_4_1_0_to_current() has duplicated code section, found via
the indent checker. didn't setup a test to confirm the bug/fix,
but the other 2 similar functions are simi

updates for GCC 6:

- frentry_4_1_0_to_current() has duplicated code section, found via
the indent checker. didn't setup a test to confirm the bug/fix,
but the other 2 similar functions are similar here now.

show more ...

kill sprintf

Merge IPFilter 5.1.2 into HEAD

apply our changes.
- prototypes
- ip_h323_pxy.c is missing from the distribution
- original tar distribution is missing <$>Id values in most files

import kernel portion of ipfilter 5.1.1