ext/duckdb/connection.c in duckdb-0.0.9 vs ext/duckdb/connection.c in duckdb-0.0.10

@@ -1,6 +1,8 @@
 #include "ruby-duckdb.h"
 
+VALUE cDuckDBConnection;
+
 static void deallocate(void *ctx)
 {
     rubyDuckDBConnection *p = (rubyDuckDBConnection *)ctx;
 
     duckdb_disconnect(&(p->con));