Modularise the RAOP stuff that requires OpenSSL and make it optional at compile time

src/modules/raop/base64.h

@@ -0,0 +1,34 @@
+#ifndef foobase64hfoo
+#define foobase64hfoo
+
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2008 Colin Guthrie
+  Copyright Kungliga Tekniska Høgskolan
+
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as published
+  by the Free Software Foundation; either version 2 of the License,
+  or (at your option) any later version.
+
+  PulseAudio is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with PulseAudio; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+/*
+  This file was originally inspired by a file developed by
+    Kungliga Tekniska Høgskolan
+*/
+
+int pa_base64_encode(const void *data, int size, char **str);
+int pa_base64_decode(const char *str, void *data);
+
+#endif