Merge #7520: LibreSSL doesn't define OPENSSL_VERSION, use LIBRESSL_VERSION_TEXT instead

a0a17b3 LibreSSL doesn't define OPENSSL_VERSION, use LIBRESSL_VERSION_TEXT instead (Pavel Janík)

src/init.cpp

@@ -1091,8 +1091,10 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
 
 #if (OPENSSL_VERSION_NUMBER < 0x10100000L)
     LogPrintf("Using OpenSSL version %s\n", SSLeay_version(SSLEAY_VERSION));
-#else
+#elif defined OPENSSL_VERSION
     LogPrintf("Using OpenSSL version %s\n", OpenSSL_version(OPENSSL_VERSION));
+#elif defined LIBRESSL_VERSION_TEXT
+    LogPrintf("Using %s\n", LIBRESSL_VERSION_TEXT);
 #endif
 
 #ifdef ENABLE_WALLET