gcharset: Add header file for private API

This fixes the build with -Werror=missing-prototypes.

https://bugzilla.gnome.org/show_bug.cgi?id=687385

glib/Makefile.am

@@ -131,6 +131,7 @@ libglib_2_0_la_SOURCES = 	\
 	gbytes.c		\
 	gbytes.h		\
 	gcharset.c		\
+	gcharsetprivate.h	\
 	gchecksum.c		\
 	gconvert.c		\
 	gdataset.c		\

glib/gcharset.c

@@ -20,7 +20,7 @@
 
 #include "config.h"
 
-#include "gcharset.h"
+#include "gcharsetprivate.h"
 
 #include "garray.h"
 #include "genviron.h"

glib/gcharsetprivate.h

@@ -0,0 +1,33 @@
+/* gunicodeprivate.h
+ *
+ * Copyright (C) 2012 Red Hat, Inc.
+ *
+ * This library 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.
+ *
+ * This library 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 this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __G_CHARSET_PRIVATE_H__
+#define __G_CHARSET_PRIVATE_H__
+
+#include "gcharset.h"
+
+G_BEGIN_DECLS
+
+G_GNUC_INTERNAL const char ** _g_charset_get_aliases (const char *canonical_name);
+;
+
+G_END_DECLS
+
+#endif

glib/gconvert.c

@@ -43,7 +43,7 @@
 
 #include "gconvert.h"
 
-#include "gcharset.h"
+#include "gcharsetprivate.h"
 #include "gslist.h"
 #include "gstrfuncs.h"
 #include "gtestutils.h"