build: reorder checks in configure.ac
build: reorder checks in configure.ac

tklauser/libnl,dsahern/libnl,greearb/libnl-ct,tklauser/libnl,tklauser/libnl,thom311/libnl,greearb/libnl-ct,dsahern/libnl,dsahern/libnl,dsahern/libnl,thom311/libnl,greearb/libnl-ct,tklauser/libnl,thom311/libnl