minor: add missing memory header to validate.hpp

acmorrow · acmorrow · commit 277b8fdf1e99 · 2015-05-12T18:38:01.000-04:00
diff --git a/src/bsoncxx/validate.hpp b/src/bsoncxx/validate.hpp
@@ -17,6 +17,7 @@
 #include <bsoncxx/config/prelude.hpp>
 
 #include <cstdint>
+#include <memory>
 
 #include <bsoncxx/document/view.hpp>
 #include <bsoncxx/stdx/optional.hpp>
