Fixes for FreeBSD warnings when compiling tests

/usr/local/include/check.h:454:75: warning: token pasting of ',' and __VA_ARGS__ is a GNU extension [-Wgnu-zero-variadic-macro-arguments]
     _ck_assert_failed(__FILE__, __LINE__, "Assertion '"#expr"' failed" , ## __VA_ARGS__, NULL)
/usr/local/include/check.h:454:75: warning: token pasting of ',' and __VA_ARGS__ is a GNU extension [-Wgnu-zero-variadic-macro-arguments]

src/test/check_getdns.c

@@ -30,7 +30,10 @@
 #include <string.h>
 #include <inttypes.h>
 #include <unistd.h>
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu-zero-variadic-macro-arguments"
 #include <check.h>
+#pragma clang diagnostic pop
 #include "getdns/getdns.h"
 #include "check_getdns_common.h"
 #include "check_getdns_address.h"

src/test/check_getdns_common.c

@@ -29,7 +29,10 @@
 #include <stdlib.h>
 #include <string.h>
 #include <inttypes.h>
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu-zero-variadic-macro-arguments"
 #include <check.h>
+#pragma clang diagnostic pop
 #include "getdns/getdns.h"
 #include "config.h"
 #include "check_getdns_common.h"

src/test/check_getdns_context_set_timeout.h

@@ -27,7 +27,10 @@
 #ifndef _check_getdns_context_set_timeout_h_
 #define _check_getdns_context_set_timeout_h_
 
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu-zero-variadic-macro-arguments"
 #include <check.h>
+#pragma clang diagnostic pop
 
 Suite *
 getdns_context_set_timeout_suite (void);

src/test/check_getdns_libev.c

@@ -41,7 +41,10 @@
 #else
 #include <ev.h>
 #endif
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu-zero-variadic-macro-arguments"
 #include <check.h>
+#pragma clang diagnostic pop
 #include "check_getdns_common.h"
 
 void run_event_loop_impl(struct getdns_context* context, void* eventloop) {

src/test/check_getdns_libevent.c

@@ -37,7 +37,10 @@
 
 #include "getdns/getdns_ext_libevent.h"
 #include "check_getdns_libevent.h"
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu-zero-variadic-macro-arguments"
 #include <check.h>
+#pragma clang diagnostic pop
 #include "check_getdns_common.h"
 
 void run_event_loop_impl(struct getdns_context* context, void* eventloop) {

src/test/check_getdns_libuv.c

@@ -37,7 +37,10 @@
 
 #include "getdns/getdns_ext_libuv.h"
 #include <uv.h>
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu-zero-variadic-macro-arguments"
 #include <check.h>
+#pragma clang diagnostic pop
 #include "check_getdns_common.h"
 
 void run_event_loop_impl(struct getdns_context* context, void* eventloop) {

src/test/check_getdns_transport.h

@@ -27,7 +27,10 @@
 #ifndef _check_getdns_transport_h_
 #define _check_getdns_transport_h_
 
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu-zero-variadic-macro-arguments"
 #include <check.h>
+#pragma clang diagnostic pop
 
 Suite *
 getdns_transport_suite (void);