[libgda] Another correction for bug #665917

[Vivien Malerba <vivien src gnome org>]

commit 9a7a585a6d0e6ea53a7a20010c6b199df9aec2da
Author: Vivien Malerba <malerba gnome-db org>
Date:   Tue Dec 13 20:25:26 2011 +0100

    Another correction for bug #665917

 libgda/gda-statement.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgda/gda-statement.c b/libgda/gda-statement.c
index 1393a2c..5fd2a7c 100644
--- a/libgda/gda-statement.c
+++ b/libgda/gda-statement.c
@@ -1164,7 +1164,7 @@ default_render_distinct (GdaSqlStatementSelect *stmt, GdaSqlRenderingContext *co
 				g_string_free (string, TRUE);
 				return NULL;
 			}
-			g_string_append (string, "ON (");
+			g_string_append (string, " ON (");
 			g_string_append (string, str);
 			g_string_append (string, ") ");
 			g_free (str);