remove iplot bug (line 686)

ChangeLog

@@ -1,3 +1,6 @@
+2008-04-28 Holger Vogt
+ * src/frontend/plotting/graf.c: remove iplot bug by changing line 686. 
+
 2008-04-27 Dietmar Warning
  * src/frontend/inpcom.c: change _DEBUG to TRACE - unique debug switches
  * src/frontend/plotting/gnuplot.c: adding windows gnuplot, some modifications

src/frontend/plotting/graf.c

@@ -683,7 +683,7 @@ iplot(struct plot *pl, int id)
 	/* note: have command options for iplot to specify xdelta,
 	   etc.  So don't need static variables hack.  Assume default
 	   values for now.  */
-	sprintf(commandline, "iplot %s", xs->v_name);
+	sprintf(commandline, "plot %s", yl);
 
         (void) gr_init(xlims, ylims, xs->v_name,
             pl->pl_title, (char *) NULL, j, 0.0, 0.0,