Add missing <isc/atomic.h> include to dns/badcache.c

The dns_badcache was pulling the <isc/atomic.h> header only indirectly
via <isc/rwlock.h>, add the direct include as the <isc/rwlock.h> no
longer pulls the header when pthread_rwlock is used.

diff --git a/lib/dns/badcache.c b/lib/dns/badcache.c
index 3ef1dfaeb6e7d6e60ceb96ba24ce55c37ca3d83b..64363ea7939cabf17e00e25eb539becfe4598fef 100644 (file)
--- a/lib/dns/badcache.c
+++ b/lib/dns/badcache.c
@@ -16,6 +16,7 @@
 #include <inttypes.h>
 #include <stdbool.h>
 
+#include <isc/atomic.h>
 #include <isc/buffer.h>
 #include <isc/hash.h>
 #include <isc/log.h>