extconf.rb in duckdb-0.0.12

- old
+ new

@@ -1,6 +1,7 @@
 require 'mkmf'
 
 dir_config('duckdb')
 if have_library('duckdb')
+  have_func('duckdb_value_blob', 'duckdb.h')
   create_makefile('duckdb/duckdb_native')
 end