db/Interface: make the constructor `protected`

ed9ece5e · Max Kellermann · ce49d99c · ed9ece5e
Commit ed9ece5e authored Nov 19, 2018 by Max Kellermann
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Interface.hxx src/db/Interface.hxx +2 -1

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--- a/src/db/Interface.hxx
+++ b/src/db/Interface.hxx
@@ -38,10 +38,11 @@ class TagMask;
 class Database {
 	const DatabasePlugin &plugin;

-public:
+protected:
 	Database(const DatabasePlugin &_plugin) noexcept
 		:plugin(_plugin) {}

+public:
 	/**
 	 * Free instance data.
         */