orbit2_2.14.17.bb: Fix build when DISTRO_FEATURES lacks ipv6.

orbit2_2.14.17.bb: Fix build when DISTRO_FEATURES lacks ipv6.

mipsel-oe-linux-uclibc-libtool: link: mipsel-oe-linux-uclibc-gcc -march=mips32 -isystem/mnt/oe/tmp/sysroots/mipsel-oe-linux-uclibc/include -fexpensive-optimizations -fomit-frame-pointer -frename-registers -Os -Werror-implicit-function-declaration -Wl,-rpath-link -Wl,/mnt/oe/tmp/sysroots/mipsel-oe-linux-uclibc/lib -Wl,-O1 -o .libs/test-linc test-linc.o -pthread  -L/mnt/oe/tmp/sysroots/mipsel-oe-linux-uclibc/lib ../src/.libs/liblinc.a /mnt/oe/tmp/sysroots/mipsel-oe-linux-uclibc/lib/libgobject-2.0.so /mnt/oe/tmp/sysroots/mipsel-oe-linux-uclibc/lib/libgthread-2.0.so -lpthread /mnt/oe/tmp/sysroots/mipsel-oe-linux-uclibc/lib/libglib-2.0.so /mnt/oe/tmp/sysroots/mipsel-oe-linux-uclibc/lib/libintl.so /mnt/oe/tmp/sysroots/mipsel-oe-linux-uclibc/lib/libiconv.so -lc -pthread
../src/.libs/liblinc.a(linc-protocols.o): In function `link_set_tmpdir':
linc-protocols.c:(.text+0x844): warning: the use of OBSOLESCENT `utime' is discouraged, use `utimes'
../src/.libs/liblinc.a(linc-protocols.o): In function `link_protocol_get_sockinfo_ipv4':
linc-protocols.c:(.text+0xeb8): warning: gethostbyaddr is obsolescent, use getaddrinfo() instead.
test-linc.o: In function `main':
test-linc.c:(.text+0x10e4): warning: gethostbyname is obsolescent, use getnameinfo() instead.
../src/.libs/liblinc.a(linc-protocols.o): In function `link_protocol_get_sockinfo_ipv6':
linc-protocols.c:(.text+0xd94): undefined reference to `in6addr_any'
collect2: ld returned 1 exit status
make[3]: *** [test-linc] Error 1

Signed-off-by: Graham Gower <graham.gower@gmail.com>
Signed-off-by: Eric Bénard <eric@eukrea.com>