[gimp] libgimp: forgot to add gimplegacy-private.h

[Michael Natterer <mitch src gnome org>]

commit 500a840f50c1ffca4f84c14e0a2024befbff571f
Author: Michael Natterer <mitch gimp org>
Date:   Tue Aug 6 23:28:29 2019 +0200

    libgimp: forgot to add gimplegacy-private.h

 libgimp/gimplegacy-private.h | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
---
diff --git a/libgimp/gimplegacy-private.h b/libgimp/gimplegacy-private.h
new file mode 100644
index 0000000000..756edfac3c
--- /dev/null
+++ b/libgimp/gimplegacy-private.h
@@ -0,0 +1,42 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
+ *
+ * gimplegacy-private.h
+ *
+ * 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 3 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, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_LEGACY_PRIVATE_H__
+#define __GIMP_LEGACY_PRIVATE_H__
+
+G_BEGIN_DECLS
+
+
+void   _gimp_legacy_initialize      (const GimpPlugInInfo *info,
+                                     GIOChannel           *read_channel,
+                                     GIOChannel           *write_channel);
+
+void   _gimp_legacy_query           (void);
+void   _gimp_legacy_init            (void);
+void   _gimp_legacy_run             (void);
+void   _gimp_legacy_quit            (void);
+
+void   _gimp_legacy_read_expect_msg (GimpWireMessage      *msg,
+                                     gint                  type);
+
+
+G_END_DECLS
+
+#endif /* __GIMP_PRIVATE_H__ */