--- /dev/null
+++ b/src/security/exchange/openssl_compat.h
@@ -0,0 +1,13 @@
-+#ifndef LIBCRYPTO_COMPAT_H\r
-+#define LIBCRYPTO_COMPAT_H\r
-+\r
-+#if OPENSSL_VERSION_NUMBER < 0x10100000L\r
-+\r
-+#include <openssl/dh.h>\r
-+\r
-+void DH_get0_pqg(const DH *dh, const BIGNUM **p, const BIGNUM **q, const BIGNUM **g);\r
-+int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g);\r
-+void DH_get0_key(const DH *dh, const BIGNUM **pub_key, const BIGNUM **priv_key);\r
-+\r
-+#endif /* OPENSSL_VERSION_NUMBER */\r
-+#endif /* LIBCRYPTO_COMPAT_H */\r
++#ifndef LIBCRYPTO_COMPAT_H
++#define LIBCRYPTO_COMPAT_H
++
++#if OPENSSL_VERSION_NUMBER < 0x10100000L
++
++#include <openssl/dh.h>
++
++void DH_get0_pqg(const DH *dh, const BIGNUM **p, const BIGNUM **q, const BIGNUM **g);
++int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g);
++void DH_get0_key(const DH *dh, const BIGNUM **pub_key, const BIGNUM **priv_key);
++
++#endif /* OPENSSL_VERSION_NUMBER */
++#endif /* LIBCRYPTO_COMPAT_H */