resolved: add missed io-util.h header to resolved-dnstls-openssl.c

Regression after commit 5cfa2c3dc09ffed1

diff --git a/src/resolve/resolved-dnstls-openssl.c b/src/resolve/resolved-dnstls-openssl.c
index bdd37a637f28bb5f31723e8e7ccfa9b00679bc95..ccd35671ebf96fbd7d77e4862da8a6e0ec47a97e 100644 (file)
--- a/src/resolve/resolved-dnstls-openssl.c
+++ b/src/resolve/resolved-dnstls-openssl.c
@@ -10,6 +10,8 @@
 #include "resolved-dns-stream.h"
 #include "resolved-dnstls.h"
 
+#include "io-util.h"
+
 DEFINE_TRIVIAL_CLEANUP_FUNC(SSL*, SSL_free);
 DEFINE_TRIVIAL_CLEANUP_FUNC(BIO*, BIO_free);