tcpdump: update to 4.99.2

tcpdump: update to 4.99.2

Update to latest version. For release information look into CHANGES
file [0].

Automatically refreshed:
- 001-remove_pcap_debug.patch

Manually refreshed:
- 100-tcpdump_mini.patch

old ipkg sizes:
316554 bin/packages/mips_24kc/base/tcpdump_4.99.1-1_mips_24kc.ipk
141457 bin/packages/mips_24kc/base/tcpdump-mini_4.99.1-1_mips_24kc.ipk

new ipkg sizes:
318089 bin/packages/mips_24kc/base/tcpdump_4.99.2-1_mips_24kc.ipk
141941 bin/packages/mips_24kc/base/tcpdump-mini_4.99.2-1_mips_24kc.ipk

[0] - https://github.com/the-tcpdump-group/tcpdump/blob/master/CHANGES

Signed-off-by: Nick Hainke <vincent@systemli.org>