Speculative build fix for scudo/standalone/tests/combined_test.cpp

GitOrigin-RevId: 102997cd0edb127050553a33a902bd6621c2c184
Change-Id: I330473145cbc2fcbeedddadb63ca5ad7ba81d0d3
diff --git a/standalone/tests/combined_test.cpp b/standalone/tests/combined_test.cpp
index b5035d0..c144ad0 100644
--- a/standalone/tests/combined_test.cpp
+++ b/standalone/tests/combined_test.cpp
@@ -12,6 +12,7 @@
 #include "combined.h"
 
 #include <condition_variable>
+#include <memory>
 #include <mutex>
 #include <thread>
 #include <vector>