fixup! Incompatible holder types cause crash (unit test)

rhaschke · rhaschke · commit 4401c5263ce0 · 2020-11-06T07:47:16.000+01:00
diff --git a/tests/test_smart_ptr.cpp b/tests/test_smart_ptr.cpp
@@ -14,6 +14,7 @@
 
 #include "pybind11_tests.h"
 #include "object.h"
+#include <memory>
 
 // Make pybind aware of the ref-counted wrapper type (s):
 
