fixed signed vs unsigned warning

[r13417]

diff --git a/ir/stat/pattern.c b/ir/stat/pattern.c
index a81145d..f177b26 100644 (file)
--- a/ir/stat/pattern.c
+++ b/ir/stat/pattern.c
@@ -811,7 +811,7 @@ static void pattern_output(const char *fname) {
  */
 void stat_calc_pattern_history(ir_graph *irg) {
        pattern_env_t env;
-       int i;
+       unsigned      i;
 
        if (! status->enable)
                return;