[Swan-dev] comment on version.mk - make rpm

[Antony Antony]

a minor comment. I noticed a commit to fix version number in "make rpm"

https://github.com/libreswan/libreswan/commit/b68c5a33261ea07defa119edee97e4a495588d6c

It is good improvement to "make rpm".

However, there is another way to set pluto --version, 
IPSECVERSION=%{IPSECVERSION} 
https://github.com/libreswan/libreswan/blob/master/packaging/fedora/libreswan-testing.spec#L18

setting IPSECVERSION is also used in Debian and OpenWRT packaging. May be it 
is better to use this method instead of b68c5a.

Having two different ways to set pluto --version  is likely to end up in 
trouble. Copying version.mk is possibly dificult to do in Debian or openwrt.
Debian run the make in place and not in seperate directory like ~/rpmbuild/