config/Param: make constructor "explicit"

6ed209bb · Max Kellermann · fe85fa3b · 6ed209bb
Commit 6ed209bb authored Jan 21, 2015 by Max Kellermann
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Param.hxx src/config/Param.hxx +1 -1

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--- a/src/config/Param.hxx
+++ b/src/config/Param.hxx
@@ -48,7 +48,7 @@ struct config_param {
 	 */
 	bool used;

-	config_param(int _line=-1)
+	explicit config_param(int _line=-1)
 		:next(nullptr), line(_line), used(false) {}

 	gcc_nonnull_all