perl-io-socket-ssl: new package
perl-io-socket-ip: new package
support/script/scancpan: fix deep recursion
pkg-perl: add $(2)_CONF_ENV

in some case $(2)_CONF_OPT is not enough
perl-net-ssleay: specific correct OpenSSL prefix to fix build

instead of '/usr' detected on the host

see http://autobuild.buildroot.net/results/135/135867ef85535863e3647cc5fb82accb6f77612c/
perl-net-ssleay: fix build

the following error occurs after the previous patch
    arm-none-linux-gnueabi-gcc: error: unrecognized command line option '-shared '

so, force LDDLFLAGS without quote

note: previously LDDLFLAGS was correct