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-rw-r--r--src/lib/base/algo_registry.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/base/algo_registry.h b/src/lib/base/algo_registry.h
index 162770730..ebc23bfca 100644
--- a/src/lib/base/algo_registry.h
+++ b/src/lib/base/algo_registry.h
@@ -213,7 +213,7 @@ class Algo_Registry
};
template<typename T> T*
-make_a(const typename T::Spec& spec, const std::string provider = "")
+make_a(const typename T::Spec& spec, const std::string& provider = "")
{
return Algo_Registry<T>::global_registry().make(spec, provider);
}