[pangomm] GlyphItem: Make most methods public

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 90e0cff02808878b3f487e8c67ef87b4649f03b9
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Mon Jan 18 11:15:30 2021 +0100

    GlyphItem: Make most methods public
    
    They became private by mistake 12 years ago in
    commit d5781fecebf7eeb5bafbfb875027f6f1707a2bf1.
    
    Fixes #11

 pango/src/glyphitem.hg | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/pango/src/glyphitem.hg b/pango/src/glyphitem.hg
index 12ce884..09c8eb5 100644
--- a/pango/src/glyphitem.hg
+++ b/pango/src/glyphitem.hg
@@ -45,6 +45,7 @@ class PANGOMM_API GlyphItem
   _CLASS_BOXEDTYPE(GlyphItem, PangoGlyphItem, NONE, pango_glyph_item_copy, pango_glyph_item_free, 
PANGOMM_API)
   _IGNORE(pango_glyph_item_free, pango_glyph_item_copy)
 
+public:
   // pango_glyph_item_split() returns a newly created PangoGlyphItem. Don't take a copy.
 #m4 _CONVERSION(`PangoGlyphItem*',`GlyphItem',`Glib::wrap($3)')
   _WRAP_METHOD(GlyphItem split(const Glib::ustring& text, int split_index), pango_glyph_item_split)