Index: ext/dl/handle.c
===================================================================
--- ext/dl/handle.c	(revision 34755)
+++ ext/dl/handle.c	(working copy)
@@ -78,6 +78,8 @@ rb_dlhandle_close(VALUE self)
 	return INT2NUM(ret);
     }
     rb_raise(rb_eDLError, "dlclose() called too many times");
+
+    return Qnil; /* not reached */
 }
 
 VALUE