Move i18n.[ch] to src/pulsecore

The header is used in files troughout the tree and is not included in the public api,
so it belongs in pulsecore, not in pulse.

src/pulsecore/i18n.h

@@ -0,0 +1,61 @@
+#ifndef foopulsei18nhfoo
+#define foopulsei18nhfoo
+
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2008 Lennart Poettering
+
+  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 2.1 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
+  Lesser 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.
+***/
+
+#include <pulse/cdecl.h>
+
+PA_C_DECL_BEGIN
+
+#if !defined(GETTEXT_PACKAGE)
+#error "Something is very wrong here, config.h needs to be included first"
+#endif
+
+#ifdef ENABLE_NLS
+
+#include <libintl.h>
+
+#define _(String) dgettext(GETTEXT_PACKAGE, String)
+#ifdef gettext_noop
+#define N_(String) gettext_noop(String)
+#else
+#define N_(String) (String)
+#endif
+
+#else /* NLS is disabled */
+
+#define _(String) (String)
+#define N_(String) (String)
+#define textdomain(String) (String)
+#define gettext(String) (String)
+#define dgettext(Domain,String) (String)
+#define dcgettext(Domain,String,Type) (String)
+#define bindtextdomain(Domain,Directory) (Domain)
+#define bind_textdomain_codeset(Domain,Codeset) (Codeset)
+
+#endif /* ENABLE_NLS */
+
+void pa_init_i18n(void);
+
+PA_C_DECL_END
+
+#endif