[libgda] Fixed plural forms handling in messages

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 629761c038a6f2c6e55a85905036726cdcbe2fdd
Author: Marek Cernocky <marek_cernocky conel cz>
Date:   Mon Sep 17 22:44:12 2018 -0500

    Fixed plural forms handling in messages

 libgda-ui/gdaui-basic-form.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)
---
diff --git a/libgda-ui/gdaui-basic-form.c b/libgda-ui/gdaui-basic-form.c
index 596a8e4ec..8b4742d73 100644
--- a/libgda-ui/gdaui-basic-form.c
+++ b/libgda-ui/gdaui-basic-form.c
@@ -834,6 +834,7 @@ create_entry_widget (SingleEntry *sentry)
        GtkWidget *entry;
        gboolean editable = TRUE;
        GValue *ref_value = NULL;
+  gint items_count;
 
        disconnect_single_entry_signals (sentry);
        if (sentry->entry) {
@@ -886,10 +887,14 @@ create_entry_widget (SingleEntry *sentry)
                const gchar *plugin = NULL;
                const GValue *plugin_val;
 
-               if (gda_set_group_get_n_nodes (sg) != 1) { /* only 1 item in the list */
-      g_warning (_("There are more entries than expected in group. Found %d"), gda_set_group_get_n_nodes 
(sg));
-      return;
-    }
+               items_count = gda_set_group_get_n_nodes (sg);
+               if ( items_count != 1) { /* only 1 item in the list */
+                       g_warning (ngettext("There are more entries than expected in group. Found %d",
+                                           "There are more entries than expected in group. Found %d",
+                                           items_count),
+                                  items_count);
+                       return;
+               }
 
                param = GDA_HOLDER (gda_set_node_get_holder (gda_set_group_get_node (sg)));
                sentry->single_param = param;