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-rw-r--r--common/action.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/common/action.h b/common/action.h
index 7ad84ee..a2dc6e4 100644
--- a/common/action.h
+++ b/common/action.h
@@ -26,7 +26,7 @@ class Action {
int target;
//! Compare to another action.
- bool operator==(Action other);
+ bool operator==(const Action& other);
template<class Archive>
void serialize(Archive & ar, const unsigned int version) {