cppcheck fixes: Class 'X' has a constructor with 1 argument that is not explicit.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/block/rc5/rc5.h b/src/lib/block/rc5/rc5.h
index 17469205f..4d9232326 100644
--- a/src/lib/block/rc5/rc5.h
+++ b/src/lib/block/rc5/rc5.h
@@ -29,7 +29,7 @@ class BOTAN_DLL RC5 final : public Block_Cipher_Fixed_Params<8, 1, 32>
       * @param rounds the number of RC5 rounds to run. Must be between
       * 8 and 32 and a multiple of 4.
       */
-      RC5(size_t rounds);
+      explicit RC5(size_t rounds);
    private:
       void key_schedule(const byte[], size_t) override;