Add missing more includes (doesn't compile on OpenBSD otherwise)

src/lib/asiodns/dns_service.cc

@@ -14,6 +14,7 @@
 
 #include <config.h>
 
+#include <sys/types.h>
 #include <netinet/in.h>
 #include <sys/socket.h>
 #include <unistd.h>             // for some IPC/network system calls

src/lib/asiodns/io_fetch.cc

@@ -14,6 +14,7 @@
 
 #include <config.h>
 
+#include <sys/types.h>
 #include <netinet/in.h>
 #include <stdint.h>
 #include <sys/socket.h>

src/lib/asiodns/sync_udp_server.cc

@@ -26,6 +26,7 @@
 
 #include <boost/bind.hpp>
 
+#include <sys/types.h>
 #include <netinet/in.h>
 #include <sys/socket.h>
 #include <unistd.h>             // for some IPC/network system calls

src/lib/asiodns/tcp_server.cc

@@ -14,6 +14,7 @@
 
 #include <config.h>
 
+#include <sys/types.h>
 #include <netinet/in.h>
 #include <sys/socket.h>
 #include <unistd.h>             // for some IPC/network system calls

src/lib/asiodns/udp_server.cc

@@ -12,6 +12,7 @@
 // OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 // PERFORMANCE OF THIS SOFTWARE.
 
+#include <sys/types.h>
 #include <netinet/in.h>
 #include <sys/socket.h>
 #include <unistd.h>             // for some IPC/network system calls

src/lib/resolve/recursive_query.cc

@@ -14,6 +14,7 @@
 
 #include <config.h>
 
+#include <sys/types.h>
 #include <netinet/in.h>
 #include <stdlib.h>
 #include <sys/socket.h>

src/lib/resolve/tests/recursive_query_unittest.cc

@@ -14,6 +14,7 @@
 
 #include <config.h>
 
+#include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/time.h>
 

src/lib/testutils/srv_test.cc

@@ -14,6 +14,7 @@
 
 #include <config.h>
 
+#include <sys/types.h>
 #include <netinet/in.h>
 
 #include <dns/message.h>