Fix test code to can be built on alpine

Signed-off-by: joseph <joseph@jc-lab.net>
diff --git a/tests/suites/test_suite_net.function b/tests/suites/test_suite_net.function
index f429fc9..513b723 100644
--- a/tests/suites/test_suite_net.function
+++ b/tests/suites/test_suite_net.function
@@ -9,11 +9,11 @@
 #endif
 
 #if defined(MBEDTLS_PLATFORM_IS_UNIXLIKE)
-#include <sys/fcntl.h>
 #include <sys/resource.h>
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <sys/types.h>
+#include <fcntl.h>
 #include <unistd.h>
 #endif