configure.ac: fix configure tests broken with Clang 15 (implicit function declarations)

[tcpdump] / print-bootp.c

diff --git a/print-bootp.c b/print-bootp.c
index 5e7e9a999edb38b67396236c0f7f3b692d24dcbc..8449f0ff9ade8f7857bd311eb94fc0186a0ac296 100644 (file)
--- a/print-bootp.c