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-rw-r--r--src/opt/rwr/rwrExp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/opt/rwr/rwrExp.c b/src/opt/rwr/rwrExp.c
index c4664fbf..fa75f066 100644
--- a/src/opt/rwr/rwrExp.c
+++ b/src/opt/rwr/rwrExp.c
@@ -18,6 +18,7 @@
***********************************************************************/
+#include "extra.h"
#include "rwr.h"
ABC_NAMESPACE_IMPL_START