signed/unsigned warning fixed

[libfirm] / ir / opt / opt_polymorphy.c

diff --git a/ir/opt/opt_polymorphy.c b/ir/opt/opt_polymorphy.c
index c59eaab..201f61a 100644 (file)
--- a/ir/opt/opt_polymorphy.c
+++ b/ir/opt/opt_polymorphy.c
@@ -29,6 +29,7 @@
 #include "config.h"
 #endif
 
+#include "iroptimize.h"
 #include "irprog_t.h"
 #include "entity_t.h"
 #include "type_t.h"