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

@@ -1,6 +1,8 @@
 #include "ruby-duckdb.h"
 
+VALUE eDuckDBError;
+
 void init_duckdb_error(void)
 {
     eDuckDBError = rb_define_class_under(mDuckDB, "Error", rb_eStandardError);
 }