[gtkmm/gtkmm-3-24] textiter.hg: Correct _WRAP_EQUAL_AND_COMPARE() call

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

commit 13340f5fa3a01c271e8e6e244355a6b3bc7d5ab6
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Tue May 11 17:31:32 2021 +0800

    textiter.hg: Correct _WRAP_EQUAL_AND_COMPARE() call
    
    The decoration macro should be GTKMM_API, not GDKMM_API

 gtk/src/textiter.hg | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/src/textiter.hg b/gtk/src/textiter.hg
index f88e5ac4..c7d2b1ad 100644
--- a/gtk/src/textiter.hg
+++ b/gtk/src/textiter.hg
@@ -292,7 +292,7 @@ _DEPRECATE_IFDEF_END
   _WRAP_METHOD(bool in_range(const TextIter& start, const TextIter& end) const, gtk_text_iter_in_range)
   _WRAP_METHOD(void order(TextIter& second), gtk_text_iter_order)
 
-  _WRAP_EQUAL_AND_COMPARE(gtk_text_iter_equal, gtk_text_iter_compare, , GDKMM_API)
+  _WRAP_EQUAL_AND_COMPARE(gtk_text_iter_equal, gtk_text_iter_compare, , GTKMM_API)
 };