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-rw-r--r--apt-private/private-json-hooks.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/apt-private/private-json-hooks.cc b/apt-private/private-json-hooks.cc
index 65ff87924..3e0d8c93b 100644
--- a/apt-private/private-json-hooks.cc
+++ b/apt-private/private-json-hooks.cc
@@ -79,7 +79,7 @@ class APT_HIDDEN JsonWriter
}
public:
- JsonWriter(std::ostream &os) : os(os) { old_locale = os.imbue(std::locale::classic()); }
+ explicit JsonWriter(std::ostream &os) : os(os) { old_locale = os.imbue(std::locale::classic()); }
~JsonWriter() { os.imbue(old_locale); }
JsonWriter &beginArray()
{