r.random: set db error hander

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@62148 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.random/random.c

@@ -72,7 +72,8 @@ int execute_random(struct rr_state *theState)
 	if (!driver)
 	    G_fatal_error(_("Unable to open database <%s> by driver <%s>"),
 			  Vect_subst_var(fi->database, &Out), fi->driver);
-
+        db_set_error_handler_driver(driver);
+        
 	Vect_map_add_dblink(&Out, 1, NULL, fi->table, GV_KEY_COLUMN, fi->database,
 			    fi->driver);