gfio: color code the iops/bw fields

Use the same text colors as the graphs, then we don't need a
specific legend to explain which is which.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/gclient.h b/gclient.h
index 1fe86e7..56136be 100644
--- a/gclient.h
+++ b/gclient.h
@@ -5,4 +5,14 @@
 
 extern void gfio_display_end_results(struct gfio_client *);
 
+#define GFIO_READ_R	0.13
+#define GFIO_READ_G	0.54
+#define GFIO_READ_B	0.13
+#define GFIO_WRITE_R	1.00
+#define GFIO_WRITE_G	0.00
+#define GFIO_WRITE_B	0.00
+#define GFIO_IOPS_R	0.24
+#define GFIO_IOPS_G	0.18
+#define GFIO_IOPS_B	0.52
+
 #endif