Fix build error related to USDT

The trace.h file is listed twice in the Makefile. This incidentally
caused an error where the build refused to replace an earlier placed
trace.h file.

diff --git a/lib/dns/Makefile.am b/lib/dns/Makefile.am
index b6814bd7ed9a10da801e94fc0c2420ed668f3630..27a5f14ddbb7fcf8ec70fa46789d0ba1aa23091b 100644 (file)
--- a/lib/dns/Makefile.am
+++ b/lib/dns/Makefile.am
@@ -125,10 +125,9 @@ libdns_la_HEADERS =                        \
        include/dns/ssu.h               \
        include/dns/stats.h             \
        include/dns/time.h              \
-       include/dns/trace.h             \
-       include/dns/transport.h         \
        include/dns/tkey.h              \
        include/dns/trace.h             \
+       include/dns/transport.h         \
        include/dns/tsig.h              \
        include/dns/ttl.h               \
        include/dns/types.h             \