Commit
0cb313344d7927c2d3c181e0c1eefc032051926d
by Pau Espin Pedrolconfigure.ac: Add arpa/inet.h to AC_CHECK_HEADERS
We use arpa/inet.h in several places in the code, so it's good to look
up for presence even if it's only to debug toolchain compatibility.
Change-Id: Ib2d1fb3efb1dcb429b511698691249c257e00720
