Update Cif++.cpp (#15)

add mutex library for std::unique_lock, not included in std lib

Update Cif++.cpp (#15)
add mutex library for std::unique_lock, not included in std lib
617db012 · ojcharles · GitHub · 35c99564 · 617db012
Commit 617db012 authored Jul 01, 2022 by ojcharles Committed by GitHub Jul 01, 2022
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src/Cif++.cpp
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--- a/src/Cif++.cpp
+++ b/src/Cif++.cpp
@@ -34,6 +34,7 @@
 #include <stack>
 #include <tuple>
 #include <unordered_map>
+#include <mutex>
 #include <filesystem>