Ensure we initialize things before checking the openssl version.

Task-number: QTBUG-37783
Change-Id: Ie276e597062d8bfc74ef57251ed21a94020e030f
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>

src/network/ssl/qsslsocket_openssl.cpp

@@ -569,6 +569,9 @@ void QSslSocketPrivate::ensureInitialized()
 
 long QSslSocketPrivate::sslLibraryVersionNumber()
 {
+    if (!supportsSsl())
+        return 0;
+
     return q_SSLeay();
 }