sound.cpp in beeps-0.3

- old
+ new

@@ -2,10 +2,10 @@
 
 #include "defs.h"
 
-RUCY_DEFINE_VALUE_FROM_TO(Beeps::Sound)
+RUCY_DEFINE_VALUE_FROM_TO(BEEPS_EXPORT, Beeps::Sound)
 
 #define THIS  to<Beeps::Sound*>(self)
 
 #define CHECK RUCY_CHECK_OBJ(Beeps::Sound, self)