graph: move graphs a bit to the left, now we don't use Y axis labels

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/graph.c b/graph.c
index 5bcefbe..a0f1b05 100644
--- a/graph.c
+++ b/graph.c
@@ -307,7 +307,7 @@
         cairo_set_source_rgb(cr, 0, 0, 0);
         cairo_set_line_width (cr, 0.8);
 
-	*x1 = 0.15 * g->xdim;	
+	*x1 = 0.10 * g->xdim;	
 	*x2 = 0.95 * g->xdim;
 	*y1 = 0.10 * g->ydim;	
 	*y2 = 0.90 * g->ydim;