make sure an extra %s in the secondi axis format does not kill us

git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.4@2123 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/program/src/rrd_graph.c b/program/src/rrd_graph.c
index f26966cc3eae2eb41e4d19c9501a8db6a728de80..66db17134892aae338b5ebdbb645efdcc5e3c230 100644 (file)
--- a/program/src/rrd_graph.c
+++ b/program/src/rrd_graph.c
@@ -2285,7 +2285,7 @@ int horizontal_log_grid(
                         }
                 }
                 else {
-                      sprintf(graph_label_right,im->second_axis_format,sval);
+                      sprintf(graph_label_right,im->second_axis_format,sval,"");
                 }
 
                 gfx_text ( im,