ext/duckdb/database.h in duckdb-0.0.6 vs ext/duckdb/database.h in duckdb-0.0.7

@@ -5,8 +5,10 @@
     duckdb_database db;
 };
 
 typedef struct _rubyDuckDB rubyDuckDB;
 
+VALUE cDuckDBDatabase;
+
 void init_duckdb_database(void);
 
 #endif