modernize-use-equals-default

include/spdlog/details/file_helper.h

@@ -31,7 +31,7 @@ public:
     const int open_tries = 5;
     const int open_interval = 10;
 
-    explicit file_helper() {}
+    explicit file_helper() = default;
 
     file_helper(const file_helper&) = delete;
     file_helper& operator=(const file_helper&) = delete;
@@ -135,6 +135,7 @@ public:
         // finally - return a valid base and extension tuple
         return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index));
     }
+
 private:
     FILE* _fd{ nullptr };
     filename_t _filename;