file_sys: Make a few single-argument constructors explicit

Prevents implicit conversions.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/core/file_sys/archive_extsavedata.cpp b/src/core/file_sys/archive_extsavedata.cpp
index e1c4931ec..5b172df4a 100644
--- a/src/core/file_sys/archive_extsavedata.cpp
+++ b/src/core/file_sys/archive_extsavedata.cpp
@@ -64,7 +64,7 @@ private:
  */
 class ExtSaveDataArchive : public SaveDataArchive {
 public:
-    ExtSaveDataArchive(const std::string& mount_point) : SaveDataArchive(mount_point) {}
+    explicit ExtSaveDataArchive(const std::string& mount_point) : SaveDataArchive(mount_point) {}
 
     std::string GetName() const override {
         return "ExtSaveDataArchive: " + mount_point;