[libgda] GdauiRawGrid: fixed read handler plugin from xml

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 07eeabffca1b767db974d8cfbac7498905395974
Author: Daniel Espinosa Ortiz <esodan gmail com>
Date:   Tue Feb 12 16:20:11 2019 -0600

    GdauiRawGrid: fixed read handler plugin from xml

 libgda-ui/gdaui-raw-grid.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
---
diff --git a/libgda-ui/gdaui-raw-grid.c b/libgda-ui/gdaui-raw-grid.c
index 42db8a636..7e6ce4719 100644
--- a/libgda-ui/gdaui-raw-grid.c
+++ b/libgda-ui/gdaui-raw-grid.c
@@ -847,10 +847,7 @@ reset_columns_in_xml_layout (GdauiRawGrid *grid, xmlNodePtr grid_node)
                        xmlChar *plugin;
                        plugin = xmlGetProp (child, BAD_CAST "plugin");
                        if (plugin && cdata->single_param) {
-                               GValue *value;
-                               value = gda_value_new_from_string ((gchar*) plugin, G_TYPE_STRING);
-                               g_object_set (cdata->single_param, "plugin", value, NULL);
-                               gda_value_free (value);
+                               g_object_set (cdata->single_param, "plugin", plugin, NULL);
                        }
                        if (plugin)
                                xmlFree (plugin);