[pangomm/export-more-symbols] pango/src/fontdescription.hg: Mark operators with PANGOMM_API

[Chun-wei Fan <fanchunwei src gnome org>]

commit 33a373d76f51419d63b5e59770d741a00285c00e
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Sat Apr 11 23:47:18 2020 +0800

    pango/src/fontdescription.hg: Mark operators with PANGOMM_API
    
    We are using a _WRAP_EQUAL here which generates operator== and
    operator!= overloads that actually need to be exported.  So, pass in a
    function decorator to _WRAP_EQUAL

 pango/src/fontdescription.hg | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/pango/src/fontdescription.hg b/pango/src/fontdescription.hg
index 00facfc..cb6286a 100644
--- a/pango/src/fontdescription.hg
+++ b/pango/src/fontdescription.hg
@@ -96,7 +96,7 @@ public:
   _WRAP_METHOD(Glib::ustring to_filename() const, pango_font_description_to_filename)
 
 #m4begin
-  _WRAP_EQUAL(pango_font_description_equal)
+  _WRAP_EQUAL(pango_font_description_equal, , PANGOMM_API)
 #m4end
 };