reference_counter.hpp のバグを修正

diff --git a/gintenlib/reference_counter.hpp b/gintenlib/reference_counter.hpp
index 3bacb20..2405c80 100644 (file)
--- a/gintenlib/reference_counter.hpp
+++ b/gintenlib/reference_counter.hpp
@@ -191,7 +191,7 @@ namespace gintenlib
    protected:
     reference_counter()
       : reference_counter_base() {}
-    reference_counter( int initial_count = 0 )
+    reference_counter( int initial_count )
       : reference_counter_base(initial_count) {}
     virtual ~reference_counter(){}