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-rw-r--r--Source/cmSourceGroup.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/cmSourceGroup.h b/Source/cmSourceGroup.h
index 5a551f8cf7..8603e95e78 100644
--- a/Source/cmSourceGroup.h
+++ b/Source/cmSourceGroup.h
@@ -52,7 +52,7 @@ public:
/**
* Add child to this sourcegroup
*/
- void AddChild(cmSourceGroup child);
+ void AddChild(cmSourceGroup const& child);
/**
* Looks up child and returns it