Build fix.

src/ssb.tests.c

@@ -16,6 +16,11 @@
 #include <time.h>
 #include <unistd.h>
 
+#if defined(_WIN32)
+#define WIFEXITED(x) 1
+#define WEXITSTATUS(x) (x)
+#endif
+
 void tf_ssb_test_id_conversion(const tf_test_options_t* options)
 {
 	tf_printf("Testing id conversion.\n");
@@ -820,6 +825,7 @@ void tf_ssb_test_go_ssb_room(const tf_test_options_t* options)
 	uv_loop_close(&loop);
 }
 
+#if !TARGET_OS_IPHONE
 static void _write_file(const char* path, const char* contents)
 {
 	FILE* file = fopen(path, "w");
@@ -858,3 +864,4 @@ void tf_ssb_test_encrypt(const tf_test_options_t* options)
 	printf("returned %d\n", WEXITSTATUS(result));
 	assert(WEXITSTATUS(result) == 0);
 }
+#endif