changed type to unsigned to suppress warnings

[r13779]

diff --git a/ir/be/bechordal_draw.c b/ir/be/bechordal_draw.c
index ab646be..6f4ef2f 100644 (file)
--- a/ir/be/bechordal_draw.c
+++ b/ir/be/bechordal_draw.c
@@ -251,11 +251,11 @@ typedef struct _draw_chordal_env_t {
 } draw_chordal_env_t;
 
 struct block_dims {
-       int    max_step;
-       int    min_step;
-       int    max_color;
-       rect_t box;
-       rect_t subtree_box;
+       unsigned max_step;
+       int      min_step;
+       int      max_color;
+       rect_t   box;
+       rect_t   subtree_box;
 };
 
 #define doz(a, b) MAX((a) - (b), 0)