[libgdamm] DataModel: Use GdaDataModelInterface, not GdaDataModelIface

[Murray Cumming <murrayc src gnome org>]

commit 0d54ad6e49a2241ddaf2531d3552ca28585c0ad3
Author: Murray Cumming <murraycu google com>
Date:   Sun Jan 19 19:28:53 2020 +0100

    DataModel: Use GdaDataModelInterface, not GdaDataModelIface
    
    This has changed in libgda.

 libgda/src/datamodel.hg | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/libgda/src/datamodel.hg b/libgda/src/datamodel.hg
index 2e5b093..29da03a 100644
--- a/libgda/src/datamodel.hg
+++ b/libgda/src/datamodel.hg
@@ -77,7 +77,7 @@ typedef GdaValueAttribute ValueAttribute;
  */
 class DataModel : public Glib::Interface
 {
-  _CLASS_INTERFACE(DataModel, GdaDataModel, GDA_DATA_MODEL, GdaDataModelIface)
+  _CLASS_INTERFACE(DataModel, GdaDataModel, GDA_DATA_MODEL, GdaDataModelInterface)
 public:
   // This does not belong into this class
   _IGNORE(gda_data_model_create_iter, gda_data_model_array_copy_model)